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Male Guillaume De Rohan Click to view Guillaume De Rohan in the family tree

Guillaume De was born about 1157 in Of,Guilliiers,Morbihan,France.  Guillaume De's father was Alain III De Rohan and his mother was Constance De Bretagne.  His paternal grandfather was Alain II De Rohan; his maternal grandparents were Alain II De Bretagne and Berthe UNKNOWN. He had two brothers and three sisters, named Alain IV De, Josselin De, Marguerite De, Alix De and Constance De.  He was the second oldest of the six children.

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