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Guillaume Saint-Omer, De

Guillaume's father is Nicolas Saint-Omer, De and his mother was Margaret Arpad. His maternal grandparents were Béla III. Arpad and Agnés Chatillon-Sur-Loing, de. He had a brother named Bela. He had three half-brothers named Manuel, Joannes and Demetrios.

Ancestor Pedigree Chart
- Nicolas Saint-Omer, De
  
  Guillaume Saint-Omer, De
  
  Almus Arpad ^*
  - b.1068 d.1129
  
  Béla II. "the Blind" Arpad
  - b.1109 d.13 Feb 1141
  
  Predslava Rurikov ^*
  
  Geza II. Arpad
  - b.1130 d.03 May 1162
  
  Stepko Uroch I. Nemanya ^*
  
  Jelena Nemanya
  - d.1146
  
  Helene Courtenay, de ^*
  - d.1314
  
  Béla III. Arpad
  - b.1148 d.23 Apr 1196
  
  Izyaslav II. Rurikov ^*
  - d.15 Nov 1154
  
  Mstislav II. Rurikov
  - d.1172
  
  Euphrosina Rurikov
  - b.1130 d.1186
  
  Margaret Arpad
  - b.1175 d.1223
  
  Renaud Chatillon-Sur-Loing, De
  - d.1163
  
  Agnés Chatillon-Sur-Loing, de
  - b.1154 d.1184
  
  Marcus Bohemund Guiscard ^*
  - d.1111
  
  Bohemund II. Guiscard
  - d.1131 in battle
  
  Constantia Guiscard
  - b.1127 d.1163
  
  Alice Jerusalem, De
  
  ^*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)

Details of Guillaume's family with Pernel Lacy, de