Robert (Sir) II de ROS & Isabel, Princess of SCOTLAND 
They had a son named William (Sir) I de.
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Personal Details
Robert (Sir) II de ROS
Robert (Sir) II de was born about 1169 in Helmsley Castle, Holderness, Yorkshire, England. He died in Helmsley, Holderness, Yorkshire, England.
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Children
William (Sir) I de ROS
William (Sir) I de was born after 1196 in Helmsley Castle, North Ride, Yorkshire, England. He died in 1264 in Poitou, France.