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Male William De la Plaunche De Fiennes Click to view William De la Plaunche De Fiennes in the family tree

William De la Plaunche was born about 1215.  William De la Plaunche's father was William I De Fiennes and his mother is Agnes en Goelle De Dammartin.  His paternal grandfather was Enguerrand De Fiennes and his paternal grandmother is Sybilla Bologne De Tyngrie; his maternal grandparents were Alberic II De Dammartin and Matilda De Clermont. He had two brothers and a sister, named Ingelram, Mahaut and Michel.  He is the youngest of the four children.

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