Peter de Ros
Peter was born in 1088 in Ros, Holderness, East Riding, Yorkshire, England.  He died at the age of 69 in 1157.

 Adeline Espec
Adeline was born in 1091 in Helmesley, Yorkshire, England.

 Robert de Ros of Helmsley
Robert was born in 1124.  He died at the age of 36 in 1160.