 | 2nd Baron Grey de Rotherfield John de Grey (1300-1359) 
|
 | Avice Marmion (1309-1378)
|
| John de Grey ( -1385)  |
| Herbert de St. Quintin (1303-1347) |
| Margaret Lisle (1303-1362) |
| Sir Robert de Grey (1333-1367)
|
| Lora St. Quintin (1343-1369)
|
| Elizabeth Grey (1363-1427) |
