Guillaume X Duc was born in 1099. He died at the age of 38 on April 9th, 1137.
General Notes
Guillaume X, Duc d'Aquitaine was born in 1099. He was the son of Guillaume IX, Duc d'Aquitaine and Philippa de Toulouse.
He married Eleanor Châtellérault de Rochefoucauld, daughter of Aimery I de Rochefoucauld, Vicomte de Châtellérault and Dangereuse de l'Isle-Bouchaard.1 He died on 9 April 1137.
Guillaume X, Duc d'Aquitaine also went by the nick-name of Guillaume 'the Toulousan. He gained the title of Comte de Poitou. He succeeded to the title of Duc d'Aquitaine in 1126.