Saint William Firmatus (a.k.a. Guillaume)
1026-1103 
Saint William Breteuil (a.k.a. Guillaume)
?-1130 
Saint William of Bourges (a.k.a. Guillaume)
1149-1209 
Blessed William of Maleval (a.k.a. Guillaume)
?-1157 
Saint William Pinchon (a.k.a. Guillaume)
1175-1234 
Saint William of Pontoise (a.k.a. Guillaume)
?-1192 
Blessed William Tempier (a.k.a. Guillaume)
?-1197 
Blessed William Arnaud (a.k.a. Guillaume)
?-1242 
Blessed Guillaume of Toulouse
1297-1369 
Blessed Guillaume Saultemouche
1555-1593 
Blessed Guillaume Répin
1709-1794 
Blessed Guillaume-Joseph Chaminade
1761-1850 