| Name | Relationship with John FitzAlan | Civil | Canon |
|---|
| Husband of the 3rd cousin 19 times removed | | |
| Husband of the 4th cousin 17 times removed | | |
| Husband of the half 4th cousin 18 times removed | | |
| Husband of the 4th cousin 18 times removed | | |
| Husband of the 4th cousin 19 times removed | | |
| Husband of the half 4th cousin 19 times removed | | |
| William | Great-granduncle | V | 4 |
| Half 1st cousin 3 times removed | VII | 5 |
| William | Half 2nd cousin once removed | VII | 4 |
| 3rd cousin | VIII | 4 |
| Half 4th cousin | X | 5 |
| 4th cousin once removed | XI | 6 |
| William III | Husband of the 3rd cousin once removed | | |
| Williams, Cheryl | Wife of the 20th great-grandnephew | | |
| Wife of the 1st cousin 22 times removed | | |
| Wife of the half 2nd cousin 23 times removed | | |
| Wife of the 3rd cousin 22 times removed | | |
| Wife of the 3rd cousin 23 times removed | | |
| Wife of the 4th cousin 21 times removed | | |
| Wife of the half 4th cousin 22 times removed | | |
| Wife of the 4th cousin 22 times removed | | |
| Wife of the 4th cousin 23 times removed | | |
| Wife of the half 4th cousin 23 times removed | | |
| Williams, Dakota | 21st great-grandnephew | XXV | 24 |
| 1st cousin 23 times removed | XXVII | 25 |
| Half 2nd cousin 24 times removed | XXX | 27 |
| 3rd cousin 23 times removed | XXXI | 27 |
| 3rd cousin 24 times removed | XXXII | 28 |
| 4th cousin 22 times removed | XXXII | 27 |
| Half 4th cousin 23 times removed | XXXIII | 28 |
| 4th cousin 23 times removed | XXXIII | 28 |
| 4th cousin 24 times removed | XXXIV | 29 |
| Half 4th cousin 24 times removed | XXXIV | 29 |
| Williams, James | Husband of the 20th great-grandniece | | |
| Husband of the 1st cousin 22 times removed | | |
| Husband of the half 2nd cousin 23 times removed | | |
| Husband of the 3rd cousin 22 times removed | | |
| Husband of the 3rd cousin 23 times removed | | |
| Husband of the 4th cousin 21 times removed | | |
| Husband of the half 4th cousin 22 times removed | | |
| Husband of the 4th cousin 22 times removed | | |
| Husband of the 4th cousin 23 times removed | | |
| Husband of the half 4th cousin 23 times removed | | |
| Williams, Mercedes | 21st great-grandniece | XXV | 24 |
| 1st cousin 23 times removed | XXVII | 25 |
| Half 2nd cousin 24 times removed | XXX | 27 |
| 3rd cousin 23 times removed | XXXI | 27 |
| 3rd cousin 24 times removed | XXXII | 28 |
| 4th cousin 22 times removed | XXXII | 27 |
| Half 4th cousin 23 times removed | XXXIII | 28 |
