William de Courcy

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ChartsAncestors of Adele La Force
Ancestors of Harriet Hanson Robinson
Ancestors of Wilford Ervie Billings
William de Courcy, son of William de Courcy and Avice de Rumilly, died in 1171.1

William married Gundred de Warenne, daughter of Reynold de Warenne and Alice de Wormegay, after September 1160.2


Gundred de Warenne d. bef. 9 May 1225
This person was last edited on13 May 2021


  1. [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families (Five vols., Salt Lake City, Utah: s.p., 2013), 2:413 (De La Mare 7), further cited as Richardson, Royal Ancestry.
  2. [S1947] Richardson, Royal Ancestry, 2:412 (De La Mare 7).