Fulk FitzReinfrid , Sir
Fulk was born before 1065 in Normandy, France.  He died before 1130 in Sussex, England.

 Robert FitzFulk , Sir
Robert was born about 1094 in Yorkshire, England.  He died before 1150.

 Roger FitzReinfrid , Sheriff Sussex & Berkshire
Roger was born in 1111 in Sussex, England.  He died after 1187 in Berkshire, England.