Guillaume II De Saint Omer 
Guillaume II De was born about 1075 in St. Omer, Pas-de-Calais, France. Guillaume II De is no longer alive.
They had a daughter named Mathilde Mahaud de.
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Children
Mathilde Mahaud de Saint Omer
Mathilde Mahaud de was born about 1114 in St. Omer, Pas-de-Calais, France.
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