Robert de ROS & Sibyl de VALOGNES 
They had a son named Everard de.
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Personal Details
Robert de ROS
Robert de was born about 1117 in Ros, Holderness, East Ride, Yorkshire, England. He died about 1162 in Helmsley Castle, North Ride, Yorkshire, England.
Sibyl de VALOGNES
Sibyl de was born about 1125 in Panmure, Forfar, Scotland. She died after 1212 in Appleton Priory, Torkshire, England .
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Children
Everard de ROS
Everard de was born about 1147 in Helmsley Castle, North Ride, Yorkshire, England. He died in 1183.