WD
William de Ros
1285 – 1343
Vitals
Born
c. 1285
Died
1343
Family
Children
About
William de Ros, second Lord Ros of Helmsley, held the great Yorkshire barony and married Margery de Badlesmere.
Research notes
✓ DOCUMENTED (web-confirmed 25 Jul 2026): WILLIAM DE ROS, 2ND LORD ROS OF HELMSLEY (Werke, Trusbut & Belvoir) (c.1285-1343); summoned to Parliament under Edward II and III; Lord High Admiral; buried at Kirkham Priory. m. MARGERY DE BADLESMERE. Father of Maud de Roos (our line). *** Opens the great house of DE ROS OF HELMSLEY, itself descended from the MAGNA CARTA SURETY ROBERT DE ROS (and, per pedigree, the surety William d'Aubigny) - note-only, extendable: a further surety line in the direct maternal ancestry. Direct ancestor. Added 25 Jul 2026.