Also known as Isabel.
Events
Date of Birth: unknown.
Place of Birth: unknown.
Date of Death: unknown.
Place of Death: unknown.
Relationships
Father: Renaud de Courtenay.
This relationship is given by père Anselme (1:528), by Cokayne (p. 88), and by Cawley. Dufour (fig. 8) gives Milon de Courtenay.
Mother: Maencia, daughter of Guillaume de Senlis dit le Loup.
Peter Stewart makes this identification in a 2019 post to soc.genealogy.medieval.
Spouse: Pierre de France.
This relationship is given by Cokayne (p. 88) and by Sirjean (p. 57)
Children:
(Complete source citations for facts about the children on this page are currently outside of the scope of this project.)
Pierre de Courtenay, later Pierre I, emperor of Constantinople, married (1) Agnès, countess of Nevers, of Auxerre, and of Tonnerre; married (2) Yolande de Flandre.
Alix de Courtenay (died 12 February 1218) married (1) Guillaume, count of Joigny; married (2) Adémar, count of Angoulême.
Eustachie de Courtenay married (1) Guillaume de Brienne; married (2) Guillaume de Champlitte; married (3) Guillaume, count of Sancerre.
Clemence de Courtenay married Guy, lord of Thiern.
Robert de Courtenay (died 5 October 1239) married (1) Constance; married (2) Mathilde de Mehun.
Philippe de Courtenay.
Isabelle de Courtenay.
Constance de Courtenay married Guillaume, lord of La Ferté-Arnaud.
Guillaume de Courtenay married (1) Adeline de Noyers; married (2) Nicole.
References
Anselme de Sainte-Marie. Histoire Généalogique et Chronologique de la Maison Royale de France, des Pairs, Grands Officiers de la Couronne, de la Maison du Roy et des Anciens Barons du Royaume. 9 Volumes (Paris: 1726-1733).
Cokayne, G.E., and G.W. Watson. The Seize Quartiers of the Kings and Queens of England. (1896).
Dufour, Jean. "Louis VI, roi de France (1108-1137), à la lumière des actes royaux et des source narratives" in Comples rendus des séances de l'Académie des Inscriptions et Belles-Lettres, 134e année, N.2, 1990. pp. 456-482.
Sirjean, Gaston. Encyclopédie généalogique des maisons souveraines du monde: Première Partie No. 3 Les Capétiens Directs (1959).