Descent of

Show Guillaume II de Saint Omer's parentsShow Guillaume II de Saint Omer's parents
Show Mélissende de Picquigny's parentsShow Mélissende de Picquigny's parents
Guillaume II de Saint Omer
(~1085-~1143)
united to
Mélissende de Picquigny
(1096-~1134)
united in ~1115

Mahaut de Saint-Omer (1115-02/07/1189) Show this unionShow this union Arnould Ier Le Grand de Gand (1101-02/01/1169) Show their descendants
Euphémie de Saint Omer (~1118-1160) Show this unionShow this union Baudouin II de Bailleul (1110-01/01/1145) Show their descendants
Guillaume III de Saint-Omer (~1120-~1170) Show this unionShow this union Mathilde de Brienne (~1120-) Show their descendants
Cassine de Saint Omer (~1132-) Show this unionShow this union Giselbert d'Aire (~1130-) Show their descendants
Beatrix de Saint Omer (~1134-) Show this unionShow this union Anselme d'Aire (1135-1194) Show their descendants


Source 1 charpentiera
Source 2 nobily
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