| John de Mowbray * Mowbray | Joan of Lancaster | John de Segrave * Segrave | Margaret of Norfolk |
| John de Mowbray * Mowbray | Elizabeth de Segrave * Segrave | ||
| John 5th Lord (Baron), 6th Lord (Baron), Earl de Mowbray * Mowbray * Segrave * of Nottingham*1.8.1365, +v.12.2.1383 |