found: Courtilz de Sandras, G. La vie de Jean-Baptiste Colbert, ministre d'Etat sous Louys XIV ... [1695]:p. 15, last group (le marquis de Seignelay, son fils aîné)
found: CSt/G-K files(usage: Marquis de Seignelay; Joannes Bapt. Colbert de Seignelay)
found: Dict. de biog. fran.(under Colbert, family: Jean-Baptiste-Antoine, marquis de Seignelay; eldest son of the Grand Colbert; b. 1 Nov. 1651, d. 3 Nov. 1690)
found: Dict. d'hist. de France Perrin(Colbert de Seignelay, Jean-Baptiste; 1651-1690; minister)
found: Dict. Hachette(Seignelay, Jean-Baptiste Colbert, marquis de; 1651-1690)
found: Grand dict. enc. Lar.(Seignelay, Jean-Baptiste Colbert, marquis de; 1651-1690; French statesman)
found: Mourre, M. Dict. enc. d'hist.(Seignelay, Jean-Baptiste Colbert, marquis de; b. 1651, d. 3 Nov. 1690; French politician)
found: Wikipedia, viewed May 23, 2018(Jean-Baptiste Colbert, Marquis de Seignelay; Jean-Baptiste Antoine Colbert, Marquis de Seignelay (1 November 1651-3 November 1690) was a French politician)
found: Britannica online, viewed May 23, 2018(Jean-Baptiste Colbert, Marquis de Seignelay, French diplomat; boran Nov. 1, 1651, Paris-died Nov. 3, 1690, Versailles, Fr.; French secretary of state under Louis XIV)
found: Jean-Baptiste Colbert and the codifying ordinances of Louis XIV, 1914?:page 1, footnote 1 (At the time of his death Colbert was Marquis de Seignelai et de Châteauneuf-sur-Cher, Baron de Sceaux, Lumières, and other places)