Baron William De ROS
- Married: Bef 25 Nov 1316, Castle, Wark, Northumberland, England
Another name for William was ROS Baron.
Ancestral File Number: 9FSH-KN.
Baron of ROS.
Ancestral File Ver 4.13 9FSH-KN.
William married Baroness Margery De Badlesmere ROS, daughter of Baron Bartholomew De BADLESMERE and Margaret De CLARE, before 25 Nov 1316 in Castle, Wark, Northumberland, England. (Baroness Margery De Badlesmere ROS was born about 1306 in Castle, Badlesmere, Kent, England and died before 22 Oct 1363 in Helmsley, Yorkshire, England.)