| Name | Relationship with John FitzAlan | Civil | Canon |
| Husband of the half 4th cousin | | |
| de Hohenstaufen, Maria | 3rd great-grandmother | V | 5 |
| de Holland, Eleanor | Niece | III | 2 |
| 3rd cousin once removed | IX | 5 |
| Half 4th cousin once removed | XI | 6 |
| 4th cousin twice removed | XII | 7 |
| Half 4th cousin twice removed | XII | 7 |
| Wife of the 3rd cousin twice removed | | |
| Wife of the 4th cousin | | |
| Wife of the half 4th cousin once removed | | |
| Wife of the 4th cousin once removed | | |
| Wife of the half 4th cousin twice removed | | |
| Wife of the 4th cousin twice removed | | |
| de Holland, Elizabeth | 3rd cousin | VIII | 4 |
| Half 4th cousin | X | 5 |
| 4th cousin once removed | XI | 6 |
| de Holland, Joan | 3rd cousin | VIII | 4 |
| Half 4th cousin | X | 5 |
| 4th cousin once removed | XI | 6 |
| 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 Holland, John | 3rd cousin | VIII | 4 |
| Half 4th cousin | X | 5 |
| 4th cousin once removed | XI | 6 |
| Husband of the half 2nd cousin twice removed | | |
| Husband of the 3rd cousin once removed | | |
| Husband of the half 4th cousin once removed | | |
| Husband of the 4th cousin twice removed | | |
| de Holland, Margaret | Niece | III | 2 |
| 3rd cousin once removed | IX | 5 |
| Half 4th cousin once removed | XI | 6 |
| 4th cousin twice removed | XII | 7 |
| Half 4th cousin twice removed | XII | 7 |
| Wife of the half 2nd cousin twice removed | | |
| Wife of the 3rd cousin once removed | | |
| Wife of the half 4th cousin once removed | | |
| Wife of the 4th cousin twice removed | | |
| de Holland, Maud | 3rd cousin | VIII | 4 |
| Half 4th cousin | X | 5 |
| 4th cousin once removed | XI | 6 |
| de Holland, Thomas | Husband of the 2nd cousin once removed | | |
| Husband of the half 3rd cousin once removed | | |
| Husband of the 4th cousin | | |
| de Holland, Thomas | 3rd cousin | VIII | 4 |
| Half 4th cousin | X | 5 |
| 4th cousin once removed | XI | 6 |
| Brother-in-law | | |
| Husband of the half 2nd cousin twice removed | | |