Eustace III, Count of Boulogne and Lens

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Eustace III, Count of Boulogne and Lens, son of Eustace II, Count of Boulogne & Lens and Ida of Verdun, died between 1125 and 1142.1

Eustace married Mary of Scotland, daughter of Malcolm III, King of Scots and Saint Margaret of Scotland, in 1102.1


Mary of Scotland d. 31 May 1116
This person was last edited on13 Apr 2021


  1. [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families (Five vols., Salt Lake City, Utah: s.p., 2013), 1:465 (Boulogne 2.i), further cited as Richardson, Royal Ancestry.