William de Warenne 3rd Earl of Surrey and Warenne ¹

  Research Notes:

First husband of Ela (Talvas).

From Wikipedia - Elizabeth of Vermandois :
In her second marriage, to William de Warenne, Elizabeth had three sons and two daughters (for a total of fourteen children - nine during her first marriage, and five during her second):
William de Warenne, 3rd Earl of Surrey and Warenne (b. 1119 dspm 1147) whose daughter Isabelle de Warenne, Countess of Surrey married 1stly
William, Count of Boulogne (dsp), yr son of King Stephen, and married 2ndly
Hamelin Plantagenet , an illegitimate half-brother of King Henry II of England by whom she had issue, later earls of Surrey and Warenne.

William married Ela Talvas of Alençon and Ponthieu, daughter of William III Talvas Count of Alençon & Ponthieu and Hélie of Burgundy. (Ela Talvas of Alençon and Ponthieu was born about 1124 in <Alençon, Normandy>, France, died on 10 Oct 1174 in Bradenstoke Priory, Bradenstoke, Wiltshire, England and was buried on 4 Dec 1174.)