| Thomas Ros Lord Ros (1337 - 1384) |
John d' Arundel Lord Arundel ( - 1379) |
| Beatrice de Stafford ( - 1415) |
Eleanor Mautravers Baroness Mautravers (ca1345 - 1405) |
| William Ros Lord Ros | Margaret de Arundel |
| b. ca 1370 d. 1 Sep 1414, Belvoir . 6th baron. 2nd son. KG 108: c.1404. Lord Treasurer |
b. d. 3 Jul 1438 . A lady in waiting to Q Katherine. LG 1399. |
| Margaret Roos John Ros Lord Ros > Thomas Ros Lord Ros < Elizabeth Ros Sir Richard Ros |