William of Blois, Count of Boulogne

  Research Notes:

Source: Wikipedia - Elizabeth of Vermandois

Also Source: Ancestral Roots of Certain American Colonists Who Came to America before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr, ed. by William R. Beall & Kaleen E. Beall, Baltimore, 2008, Line 83-26 (Isabel de Warenne)

William married Isabelle de Warenne Countess of Surrey, daughter of William de Warenne 3rd Earl of Surrey and Warenne and Ela Talvas of Alençon and Ponthieu. (Isabelle de Warenne Countess of Surrey died on 13 Jul 1199.)