Alice de la Plaunche

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Alice de la Plaunche, daughter of Sir William de la Plaunche, Knt., seigneur of Heuchin and Ælide (…), died after 1309.1

Alice married Sir John de Montfort, Knt., 1st Lord Montfort, son of Sir Peter de Montfort, Knt. and Maud de la Mare, before 28 March 1287.2

Alice was apparently related to Queen Eleanor of Castile. The exact nature of the relationship has not been determined.3


Sir John de Montfort, Knt., 1st Lord Montfort b. bef. 1263, d. bef. 11 May 1296
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), 4:137 (Montfort 7), further cited as Richardson, Royal Ancestry.
  2. [S1947] Richardson, Royal Ancestry, 4:136-7 (Montfort 7).
  3. [S1947] Richardson, Royal Ancestry, 1:63-73 (England 7).