Robert de ROS & Margaret de BRUS 
They had a son named William.
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Personal Details
Robert de ROS
Robert de was born about 1212 in Ward, Northumberland, England. He died on April 20th, 1274.
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Children
William ROS
William was born about 1270 in Wark Castle, Wark-on-Tweed, Northumberland, England. He died before May 9th, 1310 in Kendal Castle, Westmoreland, England.