Family tree of Welsh monarchs

Family trees of the kings of Gwynedd, Deheubarth and Powys and some of their more prominent relatives and heirs. The early generations of these genealogies are traditional and their historical accuracy is debated by scholars.

Cunedda Gwynedd

Ceredig ap Cunedda Ceredigion –453

Einion Yrth ap Cunedda Gwynedd c.470–500

Usai ap Ceredig Ceredigion 453–490

Cadwallon Lawhir ap Einion Gwynedd 500–534

Owain Ddantgwyn

Serwyl ap Usai Ceredigion 490–523

Maelgwn Gwynedd Gwynedd 534–547

Cuneglas

Boddw ap Serwyl Ceredigion 523–560

Rhun Hir ap Maelgwn Gwynedd 547–586

Arthfoddw ap Boddw Ceredigion 560–595

Beli ap Rhun Gwynedd 586–599

Arthlwys ap Arthwfoddw Ceredigion 595–630

Iago ap Beli Gwynedd 599–616

Cadfan ap Iago Gwynedd 616–625

Eiludd Powys Powys 613–642

Clydog ap Arthlwys Ceredigion 630–665

Cadwallon ap Cadfan Gwynedd 625–634

Cadafael Cadomedd ap Cynfeddw Gwynedd 634–655

Beli ap Eiludd Powys 655–695

Caten ap Cloten Dyfed 670–690

Seisyll ap Clydog Ceredigion 665–700

Cadwaladr Gwynedd 655–682

Gwylog ap Beli Powys 695–725

Cadwgan ap Caten Dyfed 690–710

Arthwyr ap Seisyll Seisyllwg 700–735

Idwal Iwrch Gwynedd 682–720

Elisedd ap Gwylog Powys 725–755

Rhain ap Cadwgan Dyfed 710–730

Dyfnwal ap Arthwyr Seisyllwg 735–770

Rhodri Molwynog ap Idwal Gwynedd 720–754

Caradog ap Meirion Gwynedd 754–798

Brochfael ap Elisedd Powys 755–773

Tewdwr ap Rhain Dyfed 730–760

Meurig ap Dyfnwal Seisyllwg 770–807

Cynan Dindaethwy ap Rhodri Gwynedd 798–816

Hywel ap Rhodri Molwynog Gwynedd 816–825

Cadell ap Brochfael Powys 773–808

Maredudd ap Tewdwr Dyfed 760–797

Ethyllt ferch Cynan

Gwriad ap Elidyr

Rhain ap Maredudd Dyfed 797–808

Owain ap Maredudd Dyfed 808–810

Gwgon ap Meurig Seisyllwg 808–872

Merfyn Frych Gwynedd 825–844

Nest ferch Cadell

Cyngen ap Cadell Powys 808–855

Triffyn ap Rhain Dyfed 810–814

Tangwystl

Bleddri

Angharad ferch Meurig

Rhodri the Great b.820 Gwynedd 844–878 Powys 855–878

Elisedd ap Cyngen

Hyfaidd ap Bleddri Dyfed

Anarawd ap Rhodri Gwynedd 878–916

Merfyn ap Rhodri Powys 878–900

Cadell ap Rhodri b.854 Seisyllwg 878–909

Llywarch ap Hyfaidd Dyfed 893–904

Rhodri ap Hyfaidd Dyfed 904–905

Idwal Foel Gwynedd 916–942

Llywelyn ap Merfyn Powys 900–942

Hywel Dda b.880 Dyfed 905–909 Deheubarth 909–950 Gwynedd 942–950 Powys 942–950

Elen ferch Llywarch

Meurig ap Idwal

Iago ap Idwal Gwynedd 950–979

Ieuaf ap Idwal Gwynedd 950–969

Rhodri ap Hywel Deheubarth 950–953

Owain ap Hywel Deheubarth 950–987

Edwin ap Hywel Deheubarth 950–954

Idwal ap Meurig

Hywel ap Ieuaf Gwynedd 979–985

Cadwallon ab Ieuaf Gwynedd 985–986

Einion ab Owain d.984

Maredudd ab Owain Deheubarth 987–999 Gwynedd 986–999

Iago ab Idwal ap Meurig Gwynedd 1023–1039

Cynan ap Hywel Gwynedd 999–1005

Aeddan ap Blegywryd Gwynedd 1005–1018

Edwin ab Einion Deheubarth 1005–1018

Cadell ab Einion Deheubarth 1005–1018

Cynfyn ap Gwerstan

Angharad ferch Maredudd

Llywelyn ap Seisyll Gwynedd 1018–1023 Deheubarth 1018–1023

Rhydderch ap Iestyn Deheubarth 1023–1033

Cynan ab Iago 1014–1063

Trahaearn ap Caradog Gwynedd 1075–1081

Owain ab Edwin

Hywel ab Edwin Deheubarth 1033–1044

Tewdwr ap Cadell

Rhiwallon ap Cynfyn 1020–1069

Bleddyn ap Cynfyn Gwynedd 1063–1075 Powys 1063–1075

Gruffydd ap Llywelyn Gwynedd 1039–1063 Powys 1039–1063 Deheubarth 1055–1063

Gruffydd ap Rhydderch Deheubarth 1045–1055

Gruffudd ap Cynan b.1055 Gwynedd 1081–1137

Angharad ferch Owain

Maredudd ab Owain ab Edwin Deheubarth 1063–1072

Rhys ab Owain Deheubarth 1072–1078

Rhys ap Tewdwr Deheubarth 1078–1093

Gwladys ferch Rhiwallon

Iorwerth ap Bleddyn Powys 1075–1103

Maredudd ap Bleddyn Powys 1116–1132

Cadwgan ap Bleddyn Powys 1075–1111

Cadwaladr ap Gruffydd 1096–1172

Gwenllian ferch Gruffydd 1097–1136

Gruffydd ap Rhys Deheubarth 1116–1137

Nest ferch Rhys 1085–1136

Susanna ferch Gruffydd

Madog ap Maredudd Powys 1132–1160

Gruffydd ap Maredudd

Owain ap Cadwgan Powys 1111–1116

Owain Gwynedd b.1100 Gwynedd 1137–1170

Cadell ap Gruffydd Deheubarth 1143–1153

Maredudd ap Gruffydd Deheubarth 1153–1155

Anarawd ap Gruffydd Deheubarth 1137–1143

Rhys ap Gruffydd b.1132 Deheubarth 1155–1197

Gwenllian ferch Madog

Owain Cyfeiliog Powys Wenwynwyn 1160–1197

Hywel ab Owain Gwynedd b.1120 Gwynedd 1170

Dafydd ab Owain Gwynedd Gwynedd 1170–1195 d. 1203

Maelgwn ab Owain Gwynedd Gwynedd 1170–1173

Cynan ab Owain Gwynedd

Rhodri ab Owain Gwynedd 1135–1195

Gwenllian ferch Rhys

Gruffydd ap Rhys II Deheubarth 1197–1201

Rhys Gryg Deheubarth 1216–1234

Angharad ferch Owain Gwynedd

Gruffydd Maelor I Powys Fadog 1160–1191

Iorwerth Drwyndwn 1145–1174

Marared ferch Madog

Gruffudd ap Cynan ab Owain Gwynedd 1150–1200

Maredudd ap Cynan ab Owain Gwynedd 1150–1212

Tomas ap Rhodri ab Owain Gwynedd

Maelgwn ap Rhys Deheubarth 1201–1230

Gwenllian ferch Rhys

Ednyfed Fychan 1170–1246

Madog ap Gruffydd Maelor Powys Fadog 1191–1236

Gwenwynwyn ap Owain Powys Wenwynwyn 1197–1216

Tangwystl Goch

Llywelyn the Great b.1173 Gwynedd 1195–1240 Powys 1216–1240

Joan Plantagenet, Lady of Wales

Llywelyn the Elder ap Maredudd

Goronwy ab Ednyfed 1205–1268

Owain ap Gruffudd

Maredudd ap Rhys Grug d.1271

Gruffydd II ap Madog Powys Fadog 1236–1269

Gruffydd ap Gwenwynwyn Powys Wenwynwyn 1241–1287

Gruffydd ap Llywelyn 1200–1244

Dafydd ap Llywelyn b.1215 Wales 1240–1246

Angharad ferch Llywelyn

Maelgwn Fychan

Maredudd ap Llywelyn d. 1255

Rhys ap Maredudd 1250–1292

Owen de la Pole 1257–1293

Llywelyn ap Gruffudd b.1223 Wales 1246–1282

Owain Goch ap Gruffydd d. 1282 Gwynedd 1246–1255

Dafydd ap Gruffydd 1238–1283

Rhodri ap Gruffudd 1230–1315

Llywelyn ap Maredudd d.1263

Tudur Hen d.1311

Maredydd ab Owain

Elen ferch Maelgwn

Gruffydd de la Pole d.1309

Gwenllian of Wales 1282–1337

Llywelyn ap Dafydd 1267–1287

Owain ap Dafydd 1265–1325

Tomas ap Rhodri 1300–1363

Madog ap Llywelyn claimant 1294–1295

Goronwy ap Tudur Hen d.1331

Owain ap Maredydd

Gruffudd Fychan I Powys Fadog 1277–1283

Madog II ap Gruffydd Powys Fadog 1269–1277

Owain Lawgoch 1330–1378

Tudur ap Goronwy d.1367

Llywelyn ab Owain

Madog Crypl 1275–1304

Tomas ap Llewelyn

Gruffydd of Rhuddallt 1296–1343

Maredudd ap Tudur d.1406

Marged ferch Tomos

Elen ferch Tomos

Gruffudd Fychan II d. 1369

Owen Tudor 1400–1461

Owain Glyndŵr claimant 1400–1416

House of Tudor