Robert De Beaumont Count Of Meulan
Robert De was born about 1141 in Meulan, France.  He died in 1207.

 Maud Fitzroy of Cornwall Dunstanville
Maud Fitzroy of was born about 1140 in Launceston, Cornwall, England.

 Isabel De Meulan De Beaumont
Isabel De Meulan De was born about 1160 in Aeulan, Isle-DE-France, France.  She died on May 10th, 1220 in Savigny, France.

 Mabel (Maud) De Beaumont [Countess Of Dev
Mabel (Maud) De was born about 1162 in England.  She died after May 1st, 1204.

 Sir William DE Beaumont
William DE was born about 1173 in Wiggaton, South Tawton, Devonshire, England.