| Name | Relationship with John FitzAlan | Civil | Canon |
| Husband of the half 4th cousin 14 times removed | | |
| Husband of the 4th cousin 14 times removed | | |
| Husband of the 4th cousin 15 times removed | | |
| Husband of the half 4th cousin 15 times removed | | |
| Morton, Samuel George | 17th great-grandnephew | XXI | 20 |
| 1st cousin 19 times removed | XXIII | 21 |
| Half 2nd cousin 20 times removed | XXVI | 23 |
| 3rd cousin 19 times removed | XXVII | 23 |
| 3rd cousin 20 times removed | XXVIII | 24 |
| 4th cousin 18 times removed | XXVIII | 23 |
| Half 4th cousin 19 times removed | XXIX | 24 |
| 4th cousin 19 times removed | XXIX | 24 |
| 4th cousin 20 times removed | XXX | 25 |
| Half 4th cousin 20 times removed | XXX | 25 |
| Morton, Sarah Wistar | 17th great-grandniece | XXI | 20 |
| 1st cousin 19 times removed | XXIII | 21 |
| Half 2nd cousin 20 times removed | XXVI | 23 |
| 3rd cousin 19 times removed | XXVII | 23 |
| 3rd cousin 20 times removed | XXVIII | 24 |
| 4th cousin 18 times removed | XXVIII | 23 |
| Half 4th cousin 19 times removed | XXIX | 24 |
| 4th cousin 19 times removed | XXIX | 24 |
| 4th cousin 20 times removed | XXX | 25 |
| Half 4th cousin 20 times removed | XXX | 25 |
| Morton, Thomas George | 17th great-grandnephew | XXI | 20 |
| 1st cousin 19 times removed | XXIII | 21 |
| Half 2nd cousin 20 times removed | XXVI | 23 |
| 3rd cousin 19 times removed | XXVII | 23 |
| 3rd cousin 20 times removed | XXVIII | 24 |
| 4th cousin 18 times removed | XXVIII | 23 |
| Half 4th cousin 19 times removed | XXIX | 24 |
| 4th cousin 19 times removed | XXIX | 24 |
| 4th cousin 20 times removed | XXX | 25 |
| Half 4th cousin 20 times removed | XXX | 25 |
| Morton, Thomas Story Kirkbride | Husband of the 16th great-grandniece | | |
| Husband of the 1st cousin 18 times removed | | |
| Husband of the half 2nd cousin 19 times removed | | |
| Husband of the 3rd cousin 18 times removed | | |
| 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 | | |
| Moseley, Ben Perley Poore | 17th great-grandnephew | XXI | 20 |
| 1st cousin 19 times removed | XXIII | 21 |
| Half 2nd cousin 20 times removed | XXVI | 23 |
| 3rd cousin 19 times removed | XXVII | 23 |
| 3rd cousin 20 times removed | XXVIII | 24 |
| 4th cousin 18 times removed | XXVIII | 23 |