Robert 'Blanchmains' Harcourt de Bellomont
Robert 'Blanchmains' Harcourt was born about 1121 in Beaumont, France.  He died in 1196 in Durazzo Provence, West Albania.

 Matilda de Dunstanville
Matilda was born about 1128 in Launceston, Cornwall, England.

 Mabel de Beaumont
Mabel was born about 1170 in Beaumont, France.  She died on May 1st, 1204.