William IX, Count of Poitiers

William was the first son of King Henry II of England and Duchess Eleanor of Aquitaine. He was born in Normandy on the same day that his father's rival, Eustace IV of Boulogne, died.

17 August 1153

Born on the same birth day (17 August): Alex Elisala • Dallin Watene-Zelezniak • Dustin Pedroia • Evelyn Ankers • Garrett Wolfe • Gene Stratton-Porter • Gracie Gold • Ike Quebec • Jackie Walorski • Johannes Maria Staud • John III Sobieski • John Matthew Rispoli • Josef Dobrovský • Mae West • Mahboob Ali Khan • Mario Theissen • Mark Dinning • Maurizio Sandro Sala • Michael John Wise • Patrick Manning • Philibert I, Duke of Savoy • Tarja Turunen • V. S. Naipaul • Wilfrid Scawen Blunt