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Male Guy I De Brian Click to view Guy I De Brian in the family tree

Guy I De was born about 1225 in Laugharne, Cornwall, England.  Guy I De's father was Guy IV Baron De Brienne and his mother was Jane De La Pole.  His paternal grandfather was Guy III De Brienne; his maternal grandparents were William De Pola and Mrs William De Pola.  He was an only child.  He died in 1307 in Walwyn's Castle, Haverfordwest, Pembrokeshire, Wales.


Guy I De's family with Eve De Tracy

‌Guy I De and Eve De were married in a religious ceremony before 1242 in 2ND Husband.  They had a daughter named Maud De.

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