Odo of Gascony
Odo or Otto ( Eudes or Odon French, Latin Odonis ) (c. 1010, † March 10, 1039 ) from the family of Ramnulfiden was Duke of Gascony from 1032 and from 1038 Duke of Aquitaine and Count of Poitou. He was the second son of the Duke William V of Aquitaine and the Prisca of Gascony, a daughter of William II and sister of Sancho VI ..
The Chronicle of Saint- Maixent and Ademar of Chabannes are the main sources for his reign. He together with his parents and his brother Theobald, who died young, before 1018 donations to Saint- Cyprien. He lived to succeed his uncle in Gascony, she received in 1032 but only partially. Berengar, a grandson of Sancho VI, occurs as Count of Gascony to 1036, either in its own right or as Odos Regent.
Odo followed in 1038 his half-brother William VI. as Duke of Aquitaine. To his rights in Poitou he had to fight against his stepmother Agnes of Burgundy and his half- brother William VII. He died in a skirmish at Mauzé in the defense of his newly acquired title. He was buried in the Abbey of Saint- Pierre in Maillezais next to his father and his brother.