Walter De Bolebec
Walter was born in 1100.  Walter is no longer alive.

 Helawise (Unknown) De Bolebec
Helawise (Unknown) was born about 1116.  Helawise (Unknown) is no longer alive.

 Hugh De Bolbec
Hugh was born about 1140 in ,Blancland,North Hampshire,England.  He died before 1187.