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Female Gonnor DeCrepon Click to view Gonnor DeCrepon in the family tree

Gonnor was born about 0936 in Normandy, France.1   Gonnor's father was Herbastus De Crepon. She had a half-brother and three half-sisters, named Herfast, Wevia (Duceline), Senfrie (Sainfrie) and Avelina.  She died in 1031 in France.1 

Family Details of Gonnor's family with Richard I The Normandy

1 phelps1609.FTW
Further sources/citations:
World Family Tree Vol. 9, Ed. 1 @ Tree #2571, basel.FTW, World Family Tree Vol. 16, Ed. 1 @ Tree #1609