| Name | Relationship with John FitzAlan | Civil | Canon |
| Husband of the 3rd cousin once removed | | |
| Husband of the half 4th cousin | | |
| Husband of the half 4th cousin once removed | | |
| Husband of the 4th cousin twice removed | | |
| de Hungaria, Maria | Wife of the 1st cousin 3 times removed | | |
| de la Marche, Joan | Wife of the half 1st cousin 3 times removed | | |
| Wife of the half 2nd cousin twice removed | | |
| de Lacy, Alice | Wife of the granduncle | | |
| Wife of the half 2nd cousin twice removed | | |
| de Lacy, Gilbert | Husband of the 3rd great-grandmother | | |
| Husband of the half 2nd great-grandaunt | | |
| de Lacy, Margaret | Half 2nd great-grandaunt | VI | 5 |
| Half 1st cousin 3 times removed | VII | 5 |
| de Lacy, Maud | Half 2nd great-grandaunt | VI | 5 |
| Half 1st cousin 3 times removed | VII | 5 |
| de Lusignan, Alice | 2nd great-grandmother | IV | 4 |
| Half 2nd great-grandaunt | VI | 5 |
| Wife of the half 3rd great-granduncle | | |
| de Luxembourg, Jacquetta | Wife of the 1st cousin twice removed | | |
| Wife of the half 2nd cousin 3 times removed | | |
| Wife of the 3rd cousin twice removed | | |
| Wife of the 3rd cousin 3 times removed | | |
| Wife of the half 4th cousin twice removed | | |
| Wife of the 4th cousin 3 times removed | | |
| Wife of the half 4th cousin 3 times removed | | |
| de Maltravers, Eleanor | Wife | | |
| de Mauduit, Isabel | 3rd great-grandmother | V | 5 |
| de Maundeville, Richard | Husband of the 3rd great-grandmother | | |
| de Montacute, William | Husband of the 2nd cousin once removed | | |
| Husband of the half 3rd cousin once removed | | |
| Husband of the 4th cousin | | |
| de Montford, John | Husband of the half 2nd cousin once removed | | |
| Husband of the 3rd cousin | | |
| Husband of the half 4th cousin | | |
| Husband of the 4th cousin once removed | | |
| de Monthermer, Ralph | Husband of the 1st cousin twice removed | | |
| Husband of the half 2nd cousin twice removed | | |
| de Mortimer, Agnes | 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, Beatrice | 2nd cousin twice removed | VIII | 5 |
| Half 3rd cousin once removed | IX | 5 |
| 3rd cousin once removed | IX | 5 |
| Half 4th cousin | X | 5 |
| Wife of the 2nd cousin once removed | | |
| Wife of the half 3rd cousin once removed | | |
| Wife of the 4th cousin | | |
| de Mortimer, Blanche | 2nd cousin twice removed | VIII | 5 |
| Half 3rd cousin once removed | IX | 5 |