Sir William de Plumpton, Knt.

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ChartsAncestors of William Jerome Pierce
Ancestors of Harriet Hanson Robinson
William the Lion, King of Scotland, to Peter Worden
William the Lion, King of Scotland, to William Jerome Pierce
Sir William de Plumpton, Knt., son of Sir Robert de Plumpton, Knt. and Lucy de Roos, died in late 1362.1

William married (1) Alice Beaufitz before 14 April 1322;2 he married (2), as her 3rd husband, Christian de Mowbray, before 24 February 1334. The ancestries of both women are unknown (or not traced here).1

Family 1

Alice Beaufitz b. abt. 1297, d. bt 1328 - 1334

Family 2

Christian de Mowbray d. 20 Dec 1363
This person was last edited on25 Dec 2020


  1. [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families (Five vols., Salt Lake City, Utah: s.p., 2013), 4:386 (Plumpton 9), further cited as Richardson, Royal Ancestry.
  2. [S1947] Richardson, Royal Ancestry, 4:385 (Plumpton 9).