Guillaume Ier DE FIENNES , Seigneur de Tingry & de Ruminghen

  General Notes:

http://www.knight-france.com/geneal/names/1169.htm

Guillaume married Agnés DE DAMMARTIN, daughter of Aubry II DE DAMMARTIN , Comte de Dammartin, Sire de Lillebonne & de Montreuil and Mahaut DE CLERMONT, before 1220. (Agnés DE DAMMARTIN was born about 1175 in Sussex, England and died in 1233 in England.)