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Bart Jaski
  • Bijzondere Collecties, Postbus 80124, 3508 TC, Utrecht

Bart Jaski

This study collated over 350 Y-DNA results (and associated surnames) from publicly available Y-DNA haplotrees and specific surname DNA projects, as well as Y-DNA results from two verified male-line descendants of a royal dynasty of... more
This study collated over 350 Y-DNA results (and associated surnames) from publicly available Y-DNA haplotrees and specific surname DNA projects, as well as Y-DNA results from two verified male-line descendants of a royal dynasty of Connacht. These Y-DNA data were then compared against Irish surname pedigrees and royal genealogies associated with the Uí Briúin. In so doing, we demonstrate that there is good evidence that A259 is the defining DNA marker of the Uí Briúin. Beneath A259, a branching substructure is apparent corresponding to some of the individual branches of this dynasty as described in the historical record. While the branches are related within the correct timeframe and some close surname associations are internally consistent, it appears that no extant genealogy correctly details the earliest generations which lived prior to and immediately after the arrival of literacy in Ireland in the fifth century. This may be the result of political rearrangement or incorrect transmission of oral histories. This study demonstrates the utility of using Y-DNA to highlight potential inconsistencies in the reported royal genealogies. Y-DNA continues to evolve as a useful additional tool for Irish clan research.
Net als bij andere helden uit de Ulster-verhalencyclus, was de kwestie van Cú Chulainns afkomst voortdurend in ontwikkeling. De verschillende versies van Cú Chulainns genealogie in verhalende literatuur en genealogische collecties tonen... more
Net als bij andere helden uit de Ulster-verhalencyclus, was de kwestie van Cú Chulainns afkomst voortdurend in ontwikkeling. De verschillende versies van Cú Chulainns genealogie in verhalende literatuur en genealogische collecties tonen een nauwe verwantschap met Lebor gabála Érenn. Vooral in de elfde en twaalfde eeuw lijkt de genealogie van Cú Chulainn en zijn vader Súaltaim een ​​kwestie van discussie te zijn geweest, en was gekoppeld aan de vraag of ze in essentie menselijke of bovennatuurlijke wezens waren. Het bewust wissen van (delen van) Cú Chulainns genealogie in twee manuscripten kan ook getuigen van dit debat.
List of mainly Oriental manuscripts from the library of Adriaan Reland, based on the auction catalogue of 1761 and other sources, with the identification of who owned them and their present location if known. The whole volume of The... more
List of mainly Oriental manuscripts from the library of Adriaan Reland, based on the auction catalogue of 1761 and other sources, with the identification of who owned them and their present location if known. The whole volume of The Orient in Utrecht is open access available online.
Discussion of the mainly Oriental manuscripts from the library of Adriaan Reland which was sold in 1761 and dispersed all over the world. Who sold them and where they are now has been reconstructed, with special attention given to the... more
Discussion of the mainly Oriental manuscripts from the library of Adriaan Reland which was sold in 1761 and dispersed all over the world. Who sold them and where they are now has been reconstructed, with special attention given to the manuscripts now in Utrecht University Library. The whole volume of The Orient in Utrecht is open access available online.
The genealogical tables of the more important Irish royal dynasties of the early and also later Middle Ages. There are 76 tables, compiled from annalistic, genealogical and other sources, with references to these sources and genealogical... more
The genealogical tables of the more important Irish royal dynasties of the early and also later Middle Ages. There are 76 tables, compiled from annalistic, genealogical and other sources, with references to these sources and genealogical tables published in secondery literature up to 1994.
The subdivisions and nomenclatures of Gothic scripts according to Albert Derolez, The palaeography of Gothic manuscript books, from the twelfth to the early sixteenth century (Cambridge 2003), visualized in a grid. By using three basic... more
The subdivisions and nomenclatures of Gothic scripts according to Albert Derolez, The palaeography of Gothic manuscript
books, from the twelfth to the early sixteenth century (Cambridge 2003), visualized in a grid. By using three basic criteria, one can distinguish between a Textualis, Semitextualis, Hybrida, Semihybrida, Cursiva Antiquior and Cursiva Recentior. I have used this grid for several years in my classes on paleography, and most students find it easy to learn and to apply - even if it does not work in all cases.
FINAL PROOF of my article on the rise of Dál Cais until Brian Bóraime, based on a wide range of historical sources and with a new explanation as to how they were able to become such a dominant force in Munster and Ireland. This is... more
FINAL PROOF of my article on the rise of Dál Cais until Brian Bóraime, based on a wide range of historical sources and with a new explanation as to how they were able to become such a dominant force in Munster and Ireland. This is followed by a discussion how their legendary history was forged in genealogical records and narrative literature. Several of these sources are closely connected and can be dated to the reign of Brian Bóraime (around 1000). NB quite a fewl errors remain in the final draft, the published version is more trustworthy.
Discussion of the medieval Irish origin legend, especially Lebor Gabála, with the focus on sources which indicate that in an early version of their orgin legend, the Irish considered themselves to be descendants of the Greeks.
Discussion of the influence of the Vikings on the development of the kingship of Tara as overkingship of the Uí Néill and on dynastic struggles in Ireland in general, from ca. 800 to 1000.
Seven unexplored sources of the Irish origine legend (Lebor gabála) are discussed: Prudentius of Troyes and the poem Waltharius; Alcuin as magister e partibus Scythiae in BL, Add. 47679; Ralph de Diceto and Henry of Huntingdon (cf.... more
Seven unexplored sources of the Irish origine legend (Lebor gabála) are discussed: Prudentius of Troyes and the poem Waltharius; Alcuin as magister e partibus Scythiae in BL, Add. 47679; Ralph de Diceto and Henry of Huntingdon (cf. Geoffrey of Monmouth); John of Fordun; the Annals of Roscrea (pre-Patrician section); the Lecan Synchronisms; Dublin; and National Library of Ireland, MS G 6. The last two tracts are still unedited.
Research Interests:
Discussion of the figure with the sword on his lap as depicted in the Utrecht Psalter and other manuscripts. NB This is the proof, not the published article. Some changes were added to the final version, especially in the conclusion.
Research Interests:
General discussion about early Irish (over)kingship.
The now lost Psalter of Cashel included a section with genealogical material. References in the existing Irish genealogical manuscripts suggest that it was first drafted c. 900 by Cormac mac Cuilennáin, who used records compiled in... more
The now lost Psalter of Cashel included a section with genealogical material. References in the existing Irish genealogical manuscripts suggest that it was first drafted c. 900 by Cormac mac Cuilennáin, who used records compiled in Munster ca. 740. It was later updated ca. 1000 during the reign of Brian Bóroime, and after a limited update c. 1015 it was further edited by northern  scholars. With the updates, genealogical doctrines could change.
Review of this book, with critical attention to the assumed pre-historic roots of the so-called 'high-kingship' of Ireland or kingship of Tara, the metaphor of the drink of sovereignty, the interpretation of Baile Chuinn, and the edition... more
Review of this book, with critical attention to the assumed pre-historic roots of the so-called 'high-kingship' of Ireland or kingship of Tara, the metaphor of the drink of sovereignty, the interpretation of Baile Chuinn, and the edition of the Airgialla charter poem (Ar-síasair coimdiu Temrae sceo Tailten).
Article on family relationship between Cú Chulainn, the son of an alien man, and the Ulstermen, in particular Conchobar mac Nessa. It touches also upon matters such as fosterage, protection and property rights.
This article aims to reconstruct the textual order of the Old-Irish law-tract Cáin Fhuithirbe. It gives the order of the lemmas and their textual variants.
Research Interests:
Proof-version of an article about cadels (Dutch 'kadellen') and their development and classification in medieval manuscripts and early printed books. Cadels are written by a scribe and are made of and/or decorated with partially parallel,... more
Proof-version of an article about cadels (Dutch 'kadellen') and their development and classification in medieval manuscripts and early printed books. Cadels are written by a scribe and are made of and/or decorated with partially parallel, partially crossing bands or ribbons, sometimes additionally decorated with faces, grotesques and other figures. They are used in manuscripts of the 15th and 16th centuries.They function as calligraphic initials, as letters to mark the beginning of liturgical verse lower in rank than lombards, and as decorated letters in the upper or lower margin. The term is also used for the functional predecessors of these letters in the 13th and 14th centuries.
Transcription of four letters by Adriaan Reland in the British Library, to Joseph Wasse, John Woodward and John Hudson, and with an appendix with his letters to Richard Bentley, from the published edition. Reland (1676-1716) was professor... more
Transcription of four letters by Adriaan Reland in the British Library, to Joseph Wasse, John Woodward and John Hudson, and with an appendix with his letters to Richard Bentley, from the published edition. Reland (1676-1716) was professor of Oriental languages and of Jewish antiquities at Utrecht University.
Discussion about the name 'Arthur' in early sources related to Wales, Scotland and Ireland, both in regard to 'king Arthur' as to other persons with that name in historical sources and literature.
Discussion of the royal Household in medieval Ireland, including the chief of the household, the steward, servants, the Judge, the master poet and other officers. Attention is also given to terminology, the development of the offices, and... more
Discussion of the royal Household in medieval Ireland, including the chief of the household, the steward, servants, the Judge, the master poet and other officers. Attention is also given to terminology, the development of the offices, and similarities and differences with the Welsh royal court.
Research Interests:
The Utrecht Psalter is the most valuable medieval manuscript in Dutch collections, and is considered one of the masterpieces of medieval Western art. It was made in or near Rheims in the beginning of the ninth century. All the 150 psalms... more
The Utrecht Psalter is the most valuable medieval manuscript in Dutch collections, and is considered one of the masterpieces of medieval Western art. It was made in or near Rheims in the beginning of the ninth century. All the 150 psalms and 16 cantica are illustrated in a new, revolutionary style. Bound in the manuscript are 12 leaves from a Northumbrian gospelbook of c. 700. The complete manuscript has now been digitized by the Utrecht University Library.
Comparison between the early medieval Irish marriage laws and customs (mainly from Cáin Lánamna) and continental practises (chuch law, Roman and Germanic law), with regard to e.g. types of marriage, brideprice and dowry (coibche, tinchor,... more
Comparison between the early medieval Irish marriage laws and customs (mainly from Cáin Lánamna) and continental practises (chuch law, Roman and Germanic law), with regard to e.g. types of marriage, brideprice and dowry (coibche, tinchor, tinól; coemptio, dos, donatio), preconditions, divorce, polygamy and concubinage.
Research Interests:
Article on the genealogical ties between Ailill mac Mátach and Cet mac Mágach of the Ulster Cycle. The whole matter about the genealogical identity of Ailill revolves around the names of Máta and Mágu or Mága. Máta can be male (of the... more
Article on the genealogical ties between Ailill mac Mátach and Cet mac Mágach of the Ulster Cycle. The whole matter about the genealogical identity of Ailill revolves around the names of Máta and Mágu or Mága. Máta can be male (of the Érainn) or female (from Mag Muirisce), a daughter of Mágu (Ailill of Leinster is the sister’s son of Cet, just like Conall Cernach), or the same as Mágu (Ailill of Leinster is the half-brother or full brother of Cet). Almost all the variants are attested in manuscripts of the eleventh and twelfth centuries, or in material which is dated to or has its roots in that period. It is no doubt related to the redactional activities of the medieval men of learning, who integrated older information, local traditions, contemporary concerns, current literary tastes and new thoughts on the (pseudo-)history of Ireland in their work.
Overview and discussion of the handmade copies, lithographic and photographic facsimiles and digital reproductions of the Utrecht Psalter, from the middle of the ninteenth century until 2015. The background and manner of their manufacture... more
Overview and discussion of the handmade copies, lithographic and photographic facsimiles and digital reproductions of the Utrecht Psalter, from the middle of the ninteenth century until 2015. The background and manner of their manufacture is also discussed.
Research Interests:
A list of corrections and additions to the notes in the edition of the Annals of Ulster by Mac Airt and Mac Niocaill (1983), mainly based on the medieval Irish genealogies.
The Codex Lerma is a Spanish manuscript with musical notation of the decades around 1600. It contains several compositions rarely or not found elsewhere. Contains link to a pdf with extensive description of the manuscript and its history.
Discussion (in Dutch) about a number of medieval manuscript fragments found in books in the Utrecht University Library. Includes a discussion of a fragment of the Vita Sancti Martini (10/11th c.) from St Paul's Abbey in Utrecht; a... more
Discussion (in Dutch) about a number of medieval manuscript fragments found in books in the Utrecht University Library. Includes a discussion of a fragment of the Vita Sancti Martini (10/11th c.) from St Paul's Abbey in Utrecht; a kalender of saints from Echternach (11/12th c.); and a Middle Dutch exegetical (mystical) text on Genesis and Exodus (15th c.) form the Carthusians in Utrecht.
Research Interests:
Study about the manuscript and manuscript fragments which originally belonged to the library of St Paul's Abbey in Utrecht. In the 112 volumes (44 manuscripts and 68 old printed books) most are now in Utrecht University Library (a list is... more
Study about the manuscript and manuscript fragments which originally belonged to the library of St Paul's Abbey in Utrecht. In the 112 volumes (44 manuscripts and 68 old printed books) most are now in Utrecht University Library (a list is given). The oldest manuscripts and manuscripts fragments (in carolingian and pregothic scripts), are discussed. The fragments contain several liturgical texts, some with musical notation.
From antiquity to the Middle Ages palmistry and astrology were regarded as hard sciences. One of the first manuals written on these subjects was published by the German priest Johannes Indagine in 1522. The Introductiones apotelesmaticae... more
From antiquity to the Middle Ages palmistry and astrology were regarded as hard sciences. One of the first manuals written on these subjects was published by the German priest Johannes Indagine in 1522. The Introductiones apotelesmaticae elegantes in chyromantiam, physiognomiam, astrologiam naturalem complexiones hominum, naturas planetarum was translated in Dutch and published by Jan Berntsz in Utrecht in 1536. It has been digitized by the university Library of Utrecht.
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An introduction to Adriaen Verwer's annotated copy of Newton's first edition of the Principia (1687). Verwer was a Dutch merchant and amateur mathematician and linguist, who was one of the first Newtonians on the Continent. His extensive... more
An introduction to Adriaen Verwer's annotated copy of Newton's first edition of the Principia (1687). Verwer was a Dutch merchant and amateur mathematician and linguist, who was one of the first Newtonians on the Continent. His extensive annotations give a unique insight into the reception of Newton's first edition of the Principia. The annotated copy has now been digitized by the Utrecht University Library, and can also be viewed on Annotated Books Online. Text in Dutch with English translation
Report on the successful application to have the Utrecht Psalter entered on the UNESCO Memory of the World Register for Documentary Heritage (2015). In Dutch.
Research Interests:
Discussion of Utrecht, University Library, Ms. 87, in particular its decoration, including historiated initials with fanciful figures. The author relates the Latter to the perception of Jews in the Netherlands in the fifteenth century .... more
Discussion of Utrecht, University Library, Ms. 87, in particular its decoration, including historiated initials with fanciful figures. The author relates the Latter to the perception of Jews in the Netherlands in the fifteenth century . The manuscript was made in Gouda in the 1440s, but decorated by or in the vicinity of the Master of Catherine of Cleves.
Article (final draft version) in Dutch about the history of Utrecht University Library.
Research Interests:
The oldest now known Hindustani grammar was written c. 1700 by Joan Josua Ketelaar. His notes have been preserved in three manuscripts. The most complete manuscript is kept at Utrecht University Library (Ms. 1478). It probably originates... more
The oldest now known Hindustani grammar was written c. 1700 by Joan Josua Ketelaar. His notes have been preserved in three manuscripts. The most complete manuscript is kept at Utrecht University Library (Ms. 1478). It probably originates from the library of Adriaan Reeland (1676-1718), who was professor of Oriental Languages at Utrecht University. It has now been digitized.
Three Middle Dutch manuscripts called Hattem C 3, C 4 and C 5 give us an insight into the medieval world of diseases and medicine. Utrecht University Library has them on a long term loan from the Hattem Voerman Museum. The three... more
Three Middle Dutch manuscripts called Hattem C 3, C 4 and C 5 give us an insight into the medieval world of diseases and medicine. Utrecht University Library has them on a long term loan from the Hattem Voerman Museum. The three manuscripts have now been digitized.
Article about a Statenbijbel from 1688 with copious annotations and inserted documents related to Gerard Johan Nahuys (1738-81) and his circle of reformed theologians and preachers. This unique source still awaits further research.

And 35 more

Record number, 1925392. Title, Bijzonder onderzoek : een ontdekkingsreis door de Bijzondere Collecties van de Universiteitsbibliotheek Utrecht show extra info. onder red. van Marco van Egmond, Bart Jaski, Hans Mulder. Author ...
Written with W. van Klingeren and published by the Utrecht University Library, Special Collections, 2011.