| Name | Relationship with John FitzAlan | Civil | Canon |
| Wife of the half granduncle | | |
| Wife of the half 3rd cousin once removed | | |
| de Clare, Elizabeth | 2nd cousin once removed | VII | 4 |
| Half 3rd cousin once removed | IX | 5 |
| de Clare, Gilbert | Husband of the 1st cousin twice removed | | |
| Ex-husband of the 1st cousin 3 times removed | | |
| Ex-husband of the half 1st cousin 3 times removed | | |
| Husband of the half 2nd cousin twice removed | | |
| de Clare, Gilbert | 2nd cousin once removed | VII | 4 |
| Half 3rd cousin once removed | IX | 5 |
| de Clare, Margaret | 2nd cousin once removed | VII | 4 |
| Half 3rd cousin once removed | IX | 5 |
| Wife of the 2nd cousin twice removed | | |
| Wife of the 3rd cousin once removed | | |
| de Coucy, Enguerrand | 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 Courtenay, Catherine | Wife of the 2nd cousin twice removed | | |
| de Courtenay, Hugh | Husband of the 2nd cousin once removed | | |
| Husband of the half 3rd cousin once removed | | |
| de Courtenay, Hugh | Husband of the 3rd cousin | | |
| Husband of the half 4th cousin | | |
| Husband of the 4th cousin once removed | | |
| de Courtenay, John | Husband of the 2nd great-grandaunt | | |
| de Eresby, William | Husband of the 3rd cousin | | |
| Husband of the half 4th cousin | | |
| Husband of the 4th cousin once removed | | |
| de Evreux, Jeanne | Wife of the half 1st cousin once removed | | |
| Wife of the 3rd cousin once removed | | |
| de Ferrers, Agatha | Wife of the 3rd great-granduncle | | |
| de Ferrers, Robert | Husband of the 2nd cousin once removed | | |
| Husband of the half 3rd cousin once removed | | |
| de Fienes, Margaret | 1st cousin 3 times removed | VII | 5 |
| Wife of the 2nd great-granduncle | | |
| de Fienes, William | 2nd great-granduncle | VI | 5 |
| de Fortibus, Avelina | Wife of the great-grandfather | | |
| Wife of the half 1st cousin 3 times removed | | |
| de Furnival, Gerard | Husband of the 2nd great-grandmother | | |
| Husband of the half 1st cousin 3 times removed | | |
| de Gaveston, Piers | Husband of the 2nd cousin once removed | | |
| Husband of the half 3rd cousin once removed | | |
| de Genevill, Joan | Half 2nd cousin twice removed | VIII | 5 |
| Half 3rd cousin once removed | IX | 5 |
| Wife of the 1st cousin 3 times removed | | |
| Wife of the 2nd cousin twice removed | | |
| de Geneville, Geoffrey | Husband of the half 2nd great-grandaunt | | |
| Husband of the half 1st cousin 3 times removed | | |
| de Grandison, Peter | Husband of the 2nd cousin twice removed | | |
| Husband of the half 3rd cousin once removed | | |