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

 Matilda
Matilda is no longer alive.

 Adelicia Deincourt
Adelicia was born about 1065 in Normandy, France.

 William Deincourt
William was born about 1067.

 Ralph Deincourt
Ralph was born about 1072 in Blankney, Lincolnshire, England.  He died before 1158.