Robert de Caus
Robert was born about 1046 in Pays de Caux, Normandie, France.

 Gasilea de Normanville
Gasilea was born about 1050 in Normandy, France.

 Roger de Caus
Roger was born in 1078 in Sheffield, Nottinghamshire, England.

 Sir Walter de Caus of Shelford
Walter was born in Shelford, Nottinghamshire, England .  He died after 1130.