Notes:
Birth: His birth information was found on his marriage record. His parents were Pierre Uhaldegaray and Gracianne Etchevert.
Guillaume married Marie Biscaichipy on 20 Jun 1841 in Ahaxe-Alciette-Bascassan, France. Marie (daughter of Jean Biscaichipy and Teresse Arretche) was born on 03 May 1818 in Errecalde, Bascarran, France. [Group Sheet] [Family Chart]