| Name | Relationship with John FitzAlan | Civil | Canon |
| Half 3rd cousin once removed | IX | 5 |
| de Bohun, Margaret | 2nd cousin once removed | VII | 4 |
| Half 3rd cousin once removed | IX | 5 |
| de Bohun, Mary | 3rd cousin twice removed | X | 6 |
| Half 4th cousin twice removed | XII | 7 |
| Wife of the 1st cousin once removed | | |
| 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 | | |
| Wife of the half 4th cousin twice removed | | |
| de Bohun, William | 2nd cousin once removed | VII | 4 |
| Half 3rd cousin once removed | IX | 5 |
| de Bohun, William | 3rd cousin | VIII | 4 |
| Half 4th cousin | X | 5 |
| de Boteler, Matilda | 3rd great-grandmother | V | 5 |
| de Bourbon, Beatrice | Wife of the 1st cousin 3 times removed | | |
| de Brabant, Marie | 1st cousin 3 times removed | VII | 5 |
| Wife of the 1st cousin 3 times removed | | |
| de Brabant, Matilda | 2nd great-grandmother | IV | 4 |
| de Braose, Eve | 3rd great-grandaunt | VII | 6 |
| de Braose, Maud | 3rd great-grandmother | V | 5 |
| de Braose, Reynold | Husband of the 4th great-grandmother | | |
| de Braose, Thomas | Husband of the 2nd cousin twice removed | | |
| Husband of the half 3rd cousin once removed | | |
| Husband of the 3rd cousin once removed | | |
| Husband of the half 4th cousin | | |
| de Braose, William | 4th great-grandfather | VI | 6 |
| de Brienne, Blanche | Wife of the 2nd great-granduncle | | |
| de Burgh, Elizabeth | 1st cousin | IV | 2 |
| 3rd cousin once removed | IX | 5 |
| Half 4th cousin | X | 5 |
| Half 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 Burgh, John | Husband of the 2nd cousin once removed | | |
| Husband of the half 3rd cousin once removed | | |
| de Burgh, Robert | Husband of the 3rd great-grandmother | | |
| de Burgh, Walter | Husband of the 2nd great-grandaunt | | |
| Husband of the half 1st cousin 3 times removed | | |
| de Burgh, William | 3rd cousin | VIII | 4 |
| Half 4th cousin | X | 5 |
| Husband of the aunt | | |
| Husband of the half 3rd cousin once removed | | |
| Husband of the half 4th cousin | | |
| de Burgundy, Adelheid | Wife of the 2nd great-granduncle | | |
| de Ceva, Giorgio | 3rd great-grandfather | V | 5 |
| de Ceva, Leugia | 2nd great-grandmother | IV | 4 |