Peter (Piers) de ROS 
Peter (Piers) de was born in 1087 in Ros, Holderness, East Ride, Yorkshire, England. Peter (Piers) de's father was Malcolm de ROS. He was an only child. Peter (Piers) de is no longer alive.
They had a son named Robert (Sir) de.
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Children
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.