| Name | Relationship with John FitzAlan | Civil | Canon |
| de Mortimer, Roger | 2nd cousin twice removed | VIII | 5 |
| Half 3rd cousin once removed | IX | 5 |
| 3rd cousin once removed | IX | 5 |
| Half 4th cousin | X | 5 |
| de Mortimer, Roger | Husband of the niece | | |
| Husband of the 3rd cousin once removed | | |
| Husband of the half 4th cousin once removed | | |
| Husband of the 4th cousin twice removed | | |
| Husband of the half 4th cousin twice removed | | |
| de Mortimer, William | Husband of the 2nd cousin once removed | | |
| Husband of the half 3rd cousin once removed | | |
| de Mowbray, John | Husband of the aunt | | |
| Husband of the half 3rd cousin once removed | | |
| Husband of the half 4th cousin | | |
| de Munchensi, Joan | Wife of the 2nd great-granduncle | | |
| Wife of the half 2nd great-granduncle | | |
| de Navarre, Jeanne | Half grandaunt | IV | 3 |
| Wife of the 2nd cousin twice removed | | |
| de Neville, John | Husband of the 3rd cousin | | |
| Husband of the half 4th cousin | | |
| Husband of the 4th cousin once removed | | |
| de Neville, Ralph | Husband of the 2nd cousin twice removed | | |
| Husband of the 3rd cousin once removed | | |
| de Percy, Henry | Husband of the great-grandaunt | | |
| Husband of the half 1st cousin 3 times removed | | |
| Husband of the half 1st cousin 4 times removed | | |
| de Percy, Henry | 1st cousin twice removed | VI | 4 |
| Half 2nd cousin twice removed | VIII | 5 |
| Half 2nd cousin 3 times removed | IX | 6 |
| Husband of the great-grandaunt | | |
| de Percy, Henry | Husband of the aunt | | |
| Husband of the half 3rd cousin once removed | | |
| Husband of the half 4th cousin | | |
| de Provence, Beatrice | Wife of the 2nd great-granduncle | | |
| de Provence, Eleanor | 2nd great-grandmother | IV | 4 |
| Wife of the half 2nd great-granduncle | | |
| de Provence, Margaret | Wife of the 2nd great-granduncle | | |
| de Quincey, Hawise | 3rd great-grandmother | V | 5 |
| de Roelt, Catherine | Wife of the half 2nd cousin once removed | | |
| Wife of the 3rd cousin | | |
| Wife of the half 4th cousin | | |
| Wife of the 4th cousin once removed | | |
| de Salisbury, Thomas | Husband of the niece | | |
| Husband of the 3rd cousin once removed | | |
| Husband of the half 4th cousin once removed | | |
| Husband of the 4th cousin twice removed | | |
| Husband of the half 4th cousin twice removed | | |
| de Saluzzo, Alice | Great-grandmother | III | 3 |
| de Saundford, Alice | 2nd great-grandmother | IV | 4 |
| de Saundford, Gilbert | 3rd great-grandfather | V | 5 |