Guy dit Guillaume VIII D' AQUITAINE, Comte de Poitou
- Born: 1023, Poitiers, France
- Married (1): Jan 1044
- Married (2): After Nov 1058
- Married (3): Mar 1068/9
- Died: 25 Sep 1086, Chizé near Niort, Poitou, France
 Research Notes:
The Chronicle of Saint-Maixent names "Petrum cognomina Acerrimum et Gaufredum qui Wido vocatus est" as the twin sons of Duke Guillaume and his third wife Agnes. "Wido" is named as son of Agnes (daughter of "Ermentrudis") in the Continuator of Flodoard. He adopted the first name GEOFFROY, "Gausfredus filii mei" being named in the charter of his mother Agnes dated 1031.
Comte de Gascogne 1039. Comte de Bordeaux et d'Agen 1044. "Goffredus…comes atque Agnes…uxor" donated property to the monks of La Trinité, Vendôme by charter dated 6 Jan 1049 subscribed by "Willelmi ducis Aquitanorum, Goffredi pueri fratris illius". He adopted the first name GUILLAUME when he succeeded his brother in 1058 as GUILLAUME VIII Duke of Aquitaine, GUILLAUME VI Comte de Poitou. He extended his territories, confirming his authority in Gascony and pushing as far as Toulouse. He took part in the capture of Barbastro from the Moors in 1064, although the town was lost soon after. "Goffredus…dux Aquitanorum et Guillelmus filius eius" set entry conditions for monks at Saint-Hilaire de Poitiers by charter dated 1078 or 1079.
The Chronicon sancti Florentii Salmurensis records the death in Sep 1086 of "Guido Pictavorum comes". The Chronicle of Saint-Maxence records the death in 1086 of "Guido qui et Goffredus comes Pictavorum". 1
Marriage Information:
Guillaume married Aina DE PÉRIGORD, daughter of Cte Boson III DE PÉRIGORD and Aina DE MONTIGNAC, in Jan 1044. Aina was repudiated in 1058.
Marriage Information:
Guillaume also married Mathilde DE LA MARCHE after Nov 1158. Mathilde was repudiated after May 1068.
Marriage Information:
Guillaume also married Hildegarde (Audearde) DE BOURGOGNE, daughter of Robert I "Le Vieux" CAPET, Duc de Bourgogne, Comte d'Auxerre, and Ctse Helie DE SEMUR-EN-AUXOIS, in Mar 1068/9. They were separated in 1076. (Hildegarde DE BOURGOGNE was born about 1050 and died after 1104.)
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