Eustace IV, Count of Boulogne

Eustace IV (c. 1129/1131 17 August 1153) ruled the County of Boulogne from 1146 until his death. He was the eldest son of King Stephen of England and Countess Matilda I of Boulogne.Edmund King, Eustace, count of Boulogne, Oxford Online Dictionary of National Biography, 2004 When his father seized the English throne on Henry I's death in 1135, he became heir apparent to the English throne but predeceased his father.
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Category:1120s births
Category:1153 deaths
Category:English royalty