William IX, Count of Poitiers

first son of Henry, Duke of Normandy (later Henry II of England) and Eleanor of Aquitaine (1153-1156)

William IX was the oldest son of Henry II of England. He was heir to the throne from his birth to his death in 1156.

William IX
Count of Poitiers
Reign17 August 1153 – April 1156
Born(1153-08-17)17 August 1153
Normandy, France
DiedApril 1156 (aged 2)
Wallingford Castle, Berkshire
Reading Abbey, Berkshire
HouseHouse of Plantagenet
FatherHenry II of England
MotherEleanor of Aquitaine