Also known as Guillaume VIII de Poitiers.
Count of Poitou
Duke of Aquitaine
Events
Date of Birth: 1099.
Place of Birth: unknown.
The date is given by père Anselme (2:520), by Cokayne (p. 74), and by Vones-Liebenstein.
Date of Death: 9 April 1137.
Place of Death: Santiago de Compostela.
The date and place are given by père Anselme (2:521), by Cokayne (p. 74), and by Vones-Liebenstein.
Place of Burial: Santiago de Compostela.
The place is given by père Anselme (2:521), by Cokayne (p. 74), and by Vones-Liebenstein.
Relationships
Father: Guillaume IX (1071 - 1126/7), duke of Aquitaine.
This relationship is given by père Anselme (2:520), by Cokayne (p. 74), by Turner (p. 29), and by Vones-Liebenstein.
Mother: Philippa (Mathilde) de Toulouse (died 1117).
This relationship is given by père Anselme (2:520), by Cokayne (p. 74), and by Vones-Liebenstein.
Spouse: Aliénor de Châtellerault. Married in 1121.
This relationship is given by père Anselme (2:521), by Cokayne (p. 74), by Turner (p. 19), and by Vones-Liebenstein.
Spouse: Emma de Limoges, daughter of Ademar, count of Limoges. Married in 1136.
This relationship is given by père Anselme (2:521), by Cokayne (p. 77), and by Vones-Liebenstein.
Children (by Aliénor):
(Complete source citations for facts about the children on this page are currently outside of the scope of this project. Most information below is from Cawley.)
Aliénor d’Aquitaine (1124 - 1 April 1204) married (1) Louis VII, king of France; married (2) Henry II, king of England.
Guillaume d’Aquitaine. Died before his father.
Aelis d’Aquitaine married in 1142 Raoul I “le Vaillant”, count of Vermandois.
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).
Cawley, Charles. “GUILLAUME d'Aquitaine” in Medieval Lands: A prosopography of medieval European noble and royal families.
Cokayne, G.E., and G.W. Watson. The Seize Quartiers of the Kings and Queens of England. (1896).
Turner, Ralph V. Eleanor of Aquitaine: Queen of France, Queen of England (Yale University Press, 2009).
Vones-Liebenstein, U. “Wilhelm X.” in Lexikon des Mittelalters. Band 9 (Stuttgart: 1998).