| Thomas de Ros Knt., 4th Lord Ros of Helmsley, etc. (1337 - 1384) |
John de Arundel Knt., 1st Lord Arundel, etc. (~1348 - 1379) |
| Béatrice Stafford (>1337 - 1415) |
Eleanor Mautravers Lady Mautravers (~1345 - 1405) |
| William Ros Knt., K.G., 6th Lord Ros of Helmsley | Margaret Arundel |
| b. abt 1370, aged 24 in 1394 d. 1 Sep 1414, Belvoir Castle, Leicestershire, England bur. Belvoir Priory, Leicestershire, England occ. cen. im. . ud. |
b. abt 1375, guess d. 3 Jul 1438 bur. occ. cen. im. . ud. |
| Thomas Ros Knt., 8th Lord Ros of Helmley Margaret Ros |