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Guillaume de Cornouaille

Guillaume's father is Philippe de Cornouaille and his mother is Amburga. His paternal grandfather was Eudes de Cornouaille and his paternal grandmother is Helvis. He has a brother and three sisters, named Robert, Antoinette, Anne and tiennette.

Ancestor Pedigree Chart
- Eudes de Cornouaille
  - b.22 Oct 1107 d.21 Dec 1135
  
  Arnoul de Cornouaille
  - b.24 May 1127 d.04 Jun 1180
  
  Adelheid von Venis ^*
  - b.16 Aug 1107 d.20 Apr 1176
  
  Graud de Cornouaille
  - b.24 Jan 1149 d.04 Mar 1219
  
  Fredesende de Montreuil
  - b.28 Dec 1130 d.04 Mar 1199
  
  Eudes de Cornouaille
  - b.23 Jan 1170 d.13 Aug 1201
  
  Beatrix
  - b.03 Mar 1149 d.01 Jun 1195
  
  Philippe de Cornouaille
  
  Helvis
  
  Guillaume de Cornouaille
  
  Amburga
  
  ^*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)