Peter de ROS 
Peter de was born about 1089 in Ros, Holdernes, East Ride, Yorkshire, England. Peter de 's father was Malcolm de ROS. He was an only child. He died in 1153.
They had a son named Robert de.
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Children
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.