William X was born in 1099 in Toulouse, France. William X's father was William IX and his mother was Philippa. He was an only child. He died due to a medical problem, food poisoning, at the age of 38 on April 9th, 1137.
Occupation Details
From 1126 William X's occupation was Duke of Aquitaine. He died in 1137 while still employed there.
From 1126 his occupation was Count of Poitiers. He died in 1137 while still employed there.