1297 - Bef 1344 (< 47 years)
| Margaret de Umfreville | |
| B: | Abt 1388 |
| Harbottle, Northumberland, England | |
| D: | 23 Oct 1443 |
| Halsham, Yorkshire, England | |
| Sir John Constable | |
| B: | Abt 1388 |
| Halsham, Yorkshire, England | |
| M: | 26 Apr 1423 |
| Halsham, Yorkshire, England | |
| D: | 16 Jan 1451 |
| Halsham, Yorkshire, England | |
| Gilbert de Umfreville | |
| D: | 1421 |
| Anne Neville | |
| M: | 1413 |
| England | |
| Agnes Grey | |
| B: | 1365 |
| Heaton Castle, Northumberland, Englandmap | |
| D: | 25 Oct 1420 |
| Harbottle, Northumberland, England | |
| Thomas de Umfreville | |
| B: | Abt 1361 |
| Harbottle, Northumberland, England | |
| D: | 12 Feb 1391 |
| Harbottle, Northumberland, England | |
| Sir Thomas Grey | |
| B: | 1359 |
| D: | 26 Nov 1400 |
| Joan de Mowbray | |
| D: | 1410 |
| Elizabeth Grey | |
| D: | 11 Aug 1412 |
| 4th Lord Darcy of Knaith Philip Darcy | |
| D: | 24 Apr 1399 |
| Joan Grey | |
| D: | 1434 |
| Sir John Heron | |
| D: | 1386 |
| Sir Thomas Grey | |
| B: | 1328 |
| Norham Castle, Northumberland, England | |
| D: | Bef 22 Oct 1369 |
| Norham Castle, Northumberland, England | |
| Margaret de Presson | |
| B: | 1332 |
| Preston, Northumberland, England | |
| M: | Abt 1353 |
| England | |
| D: | 1389 |
| Heaton, Northumberland, England | |
| Knight Sir Thomas Grey | |
| B: | 1297 |
| Northumberland, England | |
| D: | Bef 12 Mar 1344 |
| Norham Castle, Northumberland, England | |
| Agnes de Bayles | |
| B: | Abt 1290 |
| Heaton, Northumberland, England | |
| D: | Abt 1322 |
| Heaton, Northumberland, England | |
