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Male William de ROS Click to view William de ROS in the family tree

William de was born about 1267 in Haltwhistle, Northumberland, England.  William de's father was Alexander de ROS.  His paternal grandparents were William de ROS and Lucia FITZPIERS.  He was an only child.  He died in 1343.


William de's family

He had a biological daughter named Margaret.