Sir William de Forz, Knt.

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ChartsAncestors of Adele La Force
Ancestors of Harriet Hanson Robinson (#1)
Ancestors of Harriet Hanson Robinson (#2)
Sir William de Forz, Knt., son of Sir Hugh de Vivone, Knt. and Mabel Malet, died before 22 May 1259.1

William married, as her 2nd husband, Maud de Ferrers, daughter of Sir William de Ferrers, Knt., 5th Earl of Derby and Sibyl Marshal, 30 July 1248.1


Maud de Ferrers b. abt. 1230, d. 12 Mar 1298/99
  • Joan de Vivone+1 b. abt. 1251, d. 1 Jun 1314
  • Sibyl de Vivone1 b. abt. 1253, d. aft. 2 Jul 1306
  • Mabel de Vivone1 b. abt. 1255, d. bef. 1 Nov 1299
  • Cecily de Vivone+1 b. abt. 1257, d. 10 Jan 1320/21
This person was last edited on9 Jul 2019


  1. [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families, Five vols. (Salt Lake City, Utah: s.p., 2013), 4:8 (Malet 3), further cited as Richardson, Royal Ancestry.