Guillaume X, duke of Aquitaine

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).