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Female Mahaut D'Ailly de Bréteuil Click to view Mahaut D'Ailly de Bréteuil in the family tree

Mahaut D'Ailly was born in 1171 in Bréteuil, Eure, Normandy, France.1   Mahaut D'Ailly's father was Walerand III de Bréteuil and her mother was Adele de Dreux.  Her paternal grandparents were Everard III de Bréteuil and Beatrice de Coucy.  She was an only child.

1 Simon de Clermont.ged
Further source/citation:
http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=clcaldwell&id=I009036

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