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Male Jean I De Bretagne Duke Click to view Jean I De Bretagne Duke in the family tree

Jean I was born in 1217.  Jean I's father was Pierre De Bretagne Duke and his mother was Alice De Thouars.  His paternal grandparents were Robert II De Dreux Count and Yolande De Coucy; his maternal grandparents were Guy De Thouars and Constance De Bretagne. He had a sister named Yolande.  He died at the age of 69 in 1286.

Family Details of Jean I's family with Blanche Of Navarre

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