| Name | Relationship with John FitzAlan | Civil | Canon |
|---|
| 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 |
| Buchanon, Benjamin | 20th great-grandnephew | XXIV | 23 |
| 1st cousin 22 times removed | XXVI | 24 |
| Half 2nd cousin 23 times removed | XXIX | 26 |
| 3rd cousin 22 times removed | XXX | 26 |
| 3rd cousin 23 times removed | XXXI | 27 |
| 4th cousin 21 times removed | XXXI | 26 |
| Half 4th cousin 22 times removed | XXXII | 27 |
| 4th cousin 22 times removed | XXXII | 27 |
| 4th cousin 23 times removed | XXXIII | 28 |
| Half 4th cousin 23 times removed | XXXIII | 28 |
| Buchanon, Damien Lloyd | 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 |
| Buchanon, Joseph | 20th great-grandnephew | XXIV | 23 |
| 1st cousin 22 times removed | XXVI | 24 |
| Half 2nd cousin 23 times removed | XXIX | 26 |
| 3rd cousin 22 times removed | XXX | 26 |
| 3rd cousin 23 times removed | XXXI | 27 |
| 4th cousin 21 times removed | XXXI | 26 |
| Half 4th cousin 22 times removed | XXXII | 27 |
| 4th cousin 22 times removed | XXXII | 27 |
| 4th cousin 23 times removed | XXXIII | 28 |
| Half 4th cousin 23 times removed | XXXIII | 28 |
| Buchanon, Ron | Ex-husband of the 19th great-grandniece | | |
| Ex-husband of the 1st cousin 21 times removed | | |
| Ex-husband of the half 2nd cousin 22 times removed | | |
| Ex-husband of the 3rd cousin 21 times removed | | |
| Ex-husband of the 3rd cousin 22 times removed | | |
| Ex-husband of the 4th cousin 20 times removed | | |
| Ex-husband of the half 4th cousin 21 times removed | | |
| Ex-husband of the 4th cousin 21 times removed | | |
| Ex-husband of the 4th cousin 22 times removed | | |
| Ex-husband of the half 4th cousin 22 times removed | | |
| Buchanon, Scott | 20th great-grandnephew | XXIV | 23 |
| 1st cousin 22 times removed | XXVI | 24 |
| Half 2nd cousin 23 times removed | XXIX | 26 |
