Sir John de Montfort, Knt., 1st Lord Montfort

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ChartsAncestors of Adele La Force
Ancestors of Harriet Hanson Robinson
Sir John de Montfort, Knt., 1st Lord Montfort, son of Sir Peter de Montfort, Knt. and Maud de la Mare, was born before 1263.1 He died before 11 May 1296.1

John married Alice de la Plaunche, daughter of Sir William de la Plaunche, Knt., seigneur of Heuchin and Ælide (…), before 28 March 1287.1


Alice de la Plaunche d. aft. 1309
This person was last edited on7 Jul 2021


  1. [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families (Five vols., Salt Lake City, Utah: s.p., 2013), 4:136-7 (Montfort 7), further cited as Richardson, Royal Ancestry.
  2. [S1947] Richardson, Royal Ancestry, 4:137 (Montfort 7).