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Female Berthe De Mayenne Click to view Berthe De Mayenne in the family tree

Berthe was born about 1045.  Berthe's father was Geoffroy De Mayenne and her mother was Gervaise De Chateau-Gontier.  Her paternal grandfather was Hamon Ier De Mayenne; her maternal grandparents were Renaud Ier De Chateau-Gontier and Elisabeth N.... She had two half-brothers named Gauthier IV and Juhel.


Berthe's family with Jean Ier De Beauvau

They had a daughter named Gervaise Ou Guermaise.

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