William de Saint Omer

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William de Saint Omer, whose ancestry is unknown (or not traced here), died after 1279.1

William married, as her 2nd husband, Pernel de Lacy, daughter of Walter de Lacy and Margery de Braose, before 15 October 1256.1


Pernel de Lacy d. aft. 9 Mar 1290
This person was last edited on21 Dec 2017


  1. [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families (Five vols., Salt Lake City, Utah: s.p., 2013), 5:172 (Tony 7), further cited as Richardson, Royal Ancestry.