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

William de was born in 1255 in helmsley, Yorkshire, England.  William de's father was Robert de ROS.  His paternal grandfather was William de ROS.  He was an only child.  He died before August 16th, 1316.


William de's family with Maud de VAUX

They had a daughter named Alice de.