| Name | Relationship with John FitzAlan | Civil | Canon |
| 4th cousin 21 times removed | XXXI | 26 |
| Half 4th cousin 21 times removed | XXXI | 26 |
| Hilleary, Shane | 19th great-grandnephew | XXIII | 22 |
| 1st cousin 21 times removed | XXV | 23 |
| Half 2nd cousin 22 times removed | XXVIII | 25 |
| 3rd cousin 21 times removed | XXIX | 25 |
| 3rd cousin 22 times removed | XXX | 26 |
| 4th cousin 20 times removed | XXX | 25 |
| Half 4th cousin 21 times removed | XXXI | 26 |
| 4th cousin 21 times removed | XXXI | 26 |
| 4th cousin 22 times removed | XXXII | 27 |
| Half 4th cousin 22 times removed | XXXII | 27 |
| Hilleary, Stephan Edgar | Husband of the 17th great-grandniece | | |
| Husband of the 1st cousin 19 times removed | | |
| Husband of the half 2nd cousin 20 times removed | | |
| Husband of the 3rd cousin 19 times removed | | |
| Husband of the 3rd cousin 20 times removed | | |
| Husband of the 4th cousin 18 times removed | | |
| Husband of the half 4th cousin 19 times removed | | |
| Husband of the 4th cousin 19 times removed | | |
| Husband of the 4th cousin 20 times removed | | |
| Husband of the half 4th cousin 20 times removed | | |
| Hilleary, Tammy | 19th great-grandniece | XXIII | 22 |
| 1st cousin 21 times removed | XXV | 23 |
| Half 2nd cousin 22 times removed | XXVIII | 25 |
| 3rd cousin 21 times removed | XXIX | 25 |
| 3rd cousin 22 times removed | XXX | 26 |
| 4th cousin 20 times removed | XXX | 25 |
| Half 4th cousin 21 times removed | XXXI | 26 |
| 4th cousin 21 times removed | XXXI | 26 |
| 4th cousin 22 times removed | XXXII | 27 |
| Half 4th cousin 22 times removed | XXXII | 27 |
| Hilleary, Teana Lynn | 19th great-grandniece | XXIII | 22 |
| 1st cousin 21 times removed | XXV | 23 |
| Half 2nd cousin 22 times removed | XXVIII | 25 |
| 3rd cousin 21 times removed | XXIX | 25 |
| 3rd cousin 22 times removed | XXX | 26 |
| 4th cousin 20 times removed | XXX | 25 |
| Half 4th cousin 21 times removed | XXXI | 26 |
| 4th cousin 21 times removed | XXXI | 26 |
| 4th cousin 22 times removed | XXXII | 27 |
| Half 4th cousin 22 times removed | XXXII | 27 |
| Hilleary, Tina Lynn | 19th great-grandniece | XXIII | 22 |
| 1st cousin 21 times removed | XXV | 23 |
| Half 2nd cousin 22 times removed | XXVIII | 25 |
| 3rd cousin 21 times removed | XXIX | 25 |
| 3rd cousin 22 times removed | XXX | 26 |
| 4th cousin 20 times removed | XXX | 25 |
| Half 4th cousin 21 times removed | XXXI | 26 |
| 4th cousin 21 times removed | XXXI | 26 |