Walter I Deincourt , 1st Lord D'Eyncourt
Walter I was born about 1042 in Normandy, France.  He died before 1103 in Blankney, Lincolnshire, England.

 Matilda
Matilda was born about 1050 in England.  Matilda is no longer alive.

 Ralph Deincourt , 2nd Lord D'Eyncourt
Ralph was born about 1072 in Blankney, Lincolnshire, England.  He died before 1158.

 Roger Deincourt , of Morton
Roger was born about 1080 in Morton, Chesterfield, Derbyshire, England.