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Guillaume Laval, de

Guillaume's father was Guy VIII. Laval, de and his mother was Isabelle Beaumont, de. His paternal grandparents were Guy VII. Laval-Montmorency, de and Philippa Vitre, de; his maternal grandfather is Guillaume Beaumont, de and his maternal grandmother was Isabelle Marly, de. He had a brother and three sisters, named Guy IX., Philippa, Agnes and Catherine. He had six half-brothers named Louis, Andre, Guy, Mathieu, Francois and Thibaur.

Ancestor Pedigree Chart
- Mathieu I. Montmorency, De
  - d.1160
  
  Bouchard IV. Montmorency, de
  - d.1189
  
  Alice Normandy, de ^*
  
  Mathieu II. Montmorency, de
  - d.1230
  
  Laurette Hainaut, de
  - d.1181
  
  Guy VII. Laval-Montmorency, de
  - d.1267
  
  Guy V. Laval, de ^*
  
  Guy VI. Laval, de
  - d.1210
  
  Agathe ?
  
  Emma Laval, de
  - b.1197 d.1264
  
  Maurice II. Craon, de ^*
  - d.1196
  
  Avoise Craon, de
  - d.1230
  
  Isabelle Meulan, de
  
  Guy VIII. Laval, de
  - b.1240 d.1295
  
  Andre III. Vitre, de
  - d.1250
  
  Philippa Vitre, de
  - d.1254
  
  Guy Thouars, De
  - d.1213
  
  Catherine Thouars, de
  - b.1201 d.1237
  
  Conan IV. Bretagne, De ^*
  - b.1138 d.1171
  
  Constance Bretagne, De
  - b.1161 d.1201
  
  Margaret Kenneth ^*
  - d.1201
  
  Guillaume Laval, de
  
  Guillaume Beaumont, de
  
  Isabelle Beaumont, de
  - d.1277
  
  Mathieu I. Montmorency, de ^*
  - d.1204
  
  Bouchard I. Marly, de
  - d.1226
  
  Mailda Garlande, de
  - d.1224
  
  Bouchard II. Marly, de
  - d.1250
  
  Mahaut Chateaufort, de
  - d.25 Jul 1267
  
  Isabelle Marly, de
  - d.1292
  
  Agnes Beaumont, de
  - d.05 May 1260
  
  ^*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)