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Ide Radoul de Mortagne was born circa 1122 to Everard II Radoul (-aft1159) and Richilde de Hainaut (c1107-c1154) and died circa 1169 of unspecified causes. She married Gautier d'Oisy (-1147) . Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Hugh Capet (c940-996)/s, Rollo of Normandy (860-932)/s.

Note that she might have been her father's younger sister. In the current reconstruction, she was widowed with 10 children at the age of 25.


Offspring of Ide de Mortagne and Gautier d'Oisy (-1147)
Name Birth Death Joined with
Thierry d'Oisy
Nicholas d'Oisy (c1137-c1170) 1137 1170 Mathilde de Namur (c1120-c1170)
Ives d'Oisy
Everard d'Oisy
Petronille d'Oisy (c1137-aft1174) 1137 1174 Jan I van Peteghem (c1120-1154) Jan I van Peteghem (c1120-1154) Roger de Landas (-1171)
Gossuin d'Oisy
Fastre d'Oisy
Fille d'Oisy
Fille d'Oisy
Fille d'Oisy

Footnotes (including sources)

‡ General
Ω Birth
  • year of birth from mother
¶ Death
  • year of birth from average lifespan