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Male Jean Ier De Beaumanoir Click to view Jean Ier De Beaumanoir in the family tree

Jean Ier was born about 1240.  Jean Ier's father was Robert De Beaumanoir and his mother was Jeanne De Clisson.  His paternal grandparents were Geoffroy Ou Guillaume De Beaumanoir and ? De Rieux; his maternal grandparents were Olivier Ier De Clisson and Plaisou De La Roche-Derrien.  He was an only child.  He died in 1311.


Jean Ier's family with Jeanne De Merdrignac

They had a son and a daughter, named Jean II and Jeanne.

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