Clémence d'Oisy was born 1110 to Hugues II d'Oisy (c1075-c1137) and Hildéarde de Mons (1085-) and died 1164 of unspecified causes. She married Guillaume I de Béthune (1095-1144) 1129 JL . Notable ancestors include Charlemagne (747-814), Hugh Capet (c940-996). Ancestors are from France, Germany, Belgium.


Offspring of Clémence d'Oisy and Guillaume I de Béthune (1095-1144)
Name Birth Death Joined with
Mathilde de Béthune (c1132-)
Robert V de Béthune (c1130-1191) 1130 Béthune 1191 Adélaide de Saint-Pol (1130-c1177)

Benoît de Béthune

Footnotes (including sources)

‡ General
Ω Birth
  • year of birth from sister and wife
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