Mathieu III, Count of Beaumont-sur-Oise

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Pedigree
Mathieu III, Count of Beaumont-sur-Oise, whose ancestry is unknown (or not traced here), died about 21 November 1208.1

Mathieu married, as her 4th husband, Éléonore de Vermandois, daughter of Raoul I, Count of Vermandois and Petronille, whose ancestry is unknown (or not traced here), before 1177.2

Family

Éléonore de Vermandois d. abt. 20 Jun 1214
This person was last edited on15 Apr 2021

Citations

  1. [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families (Five vols., Salt Lake City, Utah: s.p., 2013), 1:499 (Brabant 4), further cited as Richardson, Royal Ancestry.
  2. [S1947] Richardson, Royal Ancestry, 1:498 (Brabant 4).