man Baron, Sheriff of York William de Ros‏‎, son of Baron William de Ros and Maude (Matilde) de Vaux‏.
Born ‎ 1290 at of Helmsley, Yorkshire, England, died ‎ Feb 3, 1342 at Priory, Kirkham, Yorkshire, England‎, 51 or 52 years, buried ‎ at Kirkahm, Yorkshire, England
Death date: 3 Feb 1342/1343

Married ‎before Nov 25, 1316 at of Castle Wark, Northumberland, England (at least 25 years married) to:

woman Margery de Badlesmere‏‎, daughter of Baron Badlesmere Bartholomew de Badlesmere and Margaret de Clare‏.
Born ‎ 1306 at of Castle, Badlesmere, Kent, England, died ‎before Oct 22, 1363 at of Helmsley, Yorkshire, England‎, at most 57 years, ‎1st marriage to: Baron, Sheriff of York William de Ros, 2nd marriage to: Sir Knight Thomas Arundel, 3rd marriage to: Sir Knight John Avenel
Margery de Badlesmere was age 32 in 1338. (Ancestral File)

Alternate marriage places: Badlesmere, Kent, England; Hambleton, Rutland, England; Helmsley, York, England (IGI (International Genealogical Index))

Children:

1.
woman Baroness Meynell Alicia de Ros‏
Born ‎± 1319 at of Whorlton,, England, died ‎before Jul 4, 1344‎
Alternate first name: Alice (IGI (International Genealogical Index))

Alternate surname: Roos (IGI (International Genealogical Index))
2.
woman Margaret de Ros‏
Born ‎± 1323 at of Helmsley, Yorkshire, England‎
3.
woman Baroness Zouche Elizabeth de Ros‏
Born ‎± 1325 at of Helmsley, Yorkshire, England, died ‎after May 16, 1380 at of Harringworth, Northamptonshire, England‎
Alternate death date: 16 May 1380 (IGI (International Genealogical Index))

Will dated: 16 May 1380 (Website: histfam.familysearch.org//getperson.php?personID=I13074&tree=PagetHeraldicBaronag)
4.
woman Baroness Welles Maud de Ros‏
Born ‎± 1328 at of Helmsley, Yorkshire, England, died ‎ 1399‎, approximately 71 years
5.
man Baron Ros William de Ros‏
Born ‎ May 19, 1329 at Frieston, Lincolnshire, England, died ‎before Dec 3, 1352 at Overseas‎, at most 23 years
6.
man Thomas de Ros‏
Born ‎ Jan 13, 1336 at Stoke Albany, Northamptonshire, England, died ‎ Jun 8, 1384 at Uffington, Lincolnshire, England‎, 48 years