Robert (Sir) de ROS
Robert (Sir) de was born in 1117 in Ros, Holderness, east Ride, Yorkshire, England.  He died about 1162 in Helmsley Castle, North Ride, Yorkshire, England.

 Sybil de VALOIGNES
Sybil de was born about 1125 in Panmure, Forfar, Scotland.  Sybil de is no longer alive.

 Everhard de ROS
Everhard de was born about 1147 in Helmsley, Yorkshire, England.  He died in 1183.