Mary de Roos

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ChartsAncestors of Adele La Force
Ancestors of Harriet Hanson Robinson
Mary de Roos, daughter of Sir Robert de Roos, Knt. and Isabel d'Aubeney, died before 23 May 1326.1

Mary married, as his 3rd wife, Sir William de Brewes, Knt., 1st Lord Brewes, son of John de Brewes, lord of Gower and Margaret of Wales, before 1271.2


Sir William de Brewes, Knt., 1st Lord Brewes b. abt. 1224, d. 6 Jan 1290/91
This person was last edited on15 Apr 2021


  1. [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families, Five volumes (Salt Lake City, Utah: s.p., 2013), 1:532 (Brewes 8), further cited as Richardson, Royal Ancestry.
  2. [S1947] Richardson, Royal Ancestry, 1:531 (Brewes 8).