KLDeWitt Genealogy Research Project
Our Family's Journey Through Time from Europe and Canada to the US
 MaleWilliam Ros, 3rd Baron Ros of Helmsley |
| Birth | 19 May 1329 | |
| Death | Bef 29 Sep 1352 | |
| Burial | ||
| Marriage | ||
| Father | William Ros, 2nd Baron Ros of Helmsley Lord High Admiral | F7248 Group Sheet | |
| Mother | Margery de Badlesmere, Baroness Ros of Helmsley | F7248 Group Sheet | |
 FemaleMargaret Neville, Baroness Ros of Helmsley Countess of Northumberland |
| Birth | 12 Feb 1329 | |
| Death | 12 May 1372 | |
| Burial | ||
| Other Spouse | Henry Percy, 1st Earl of Northumberland 4th Baron Percy King of Mann KG Lord Marshal | F7249 | |
| Marriage | ||
| Father | Ralph Neville, 2nd Baron Neville de Raby | F4251 Group Sheet | |
| Mother | Alice Audley, Baroness Greystoke Baroness Neville de Raby | F4251 Group Sheet | |
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