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Female Mahaut de Fiennes Click to view Mahaut de Fiennes in the family tree

Mahaut's father was William Sheriff of Somerset de Fiennes and her mother was Agnes de Dammartin.  Her paternal grandparents were Ingelram de Fiennes and Sibyl de Boulogne; her maternal grandparents were Alberic II DAmmartin and Maud (Mathilde) of Clermont. She had two brothers named Baldwin and Sir Enguerran de Fiennes II.

Sources/Citations
Ahnentafel for Margery Arundell, Royal Ancestors of Some American Families @ chart 11327, Pullen010502.FTW, Ahnentafel for Margery Arundell, Royal Ancestors of Some American Families @ chart 11327, Pullen010502.FTW

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