| Name | Relationship with John Kennedy | Civil | Canon |
|---|
| (-----), Bridget | 3rd great-grandmother | V | 5 |
| (-----), Mary | 2nd great-grandmother | IV | 4 |
| (-----), Mary | 2nd great-grandmother | IV | 4 |
| Auchincloss, James Lee | Half brother-in-law | | |
| Auchincloss, Janet Jennings | Half sister-in-law | | |
| Baker, Hazel Elizabeth | Wife of the 1st cousin once removed | | |
| Baker, Julius | Husband of the 1st cousin once removed | | |
| Bennett, Virginia Joan | Ex-wife of the brother | | |
| Bessette, Caroline | Daughter-in-law | | |
| Black, Emily Ruth | Ex-wife of the nephew | | |
| Bouvier, Caroline Lee | Sister-in-law | | |
| Bouvier, Eustache | 3rd great-grandfather of the wife | | |
| Bouvier, Francois | 4th great-grandfather of the wife | | |
| Bouvier, George | 5th great-grandfather of the wife | | |
| Bouvier, Jacqueline Lee | Wife | | |
| Bouvier, John Vernou | Great-grandfather of the wife | | |
| Bouvier, John Vernou | Grandfather of the wife | | |
| Bouvier, John Vernou | Father-in-law | | |
| Bouvier, Michel | 1st cousin of the wife | | |
| Bouvier, Michel | 2nd great-grandfather of the wife | | |
| Bouvier, William Sergeant | Uncle of the wife | | |
| Burke, Charles Joseph | Ex-husband of the aunt | | |
| Burke, Charles Joseph | 1st cousin | IV | 2 |
| Burke, Margaret Louise | 1st cousin | IV | 2 |
| Burke, Thomas Francis | 1st cousin | IV | 2 |
| Caulfield, Edith M. | 1st cousin once removed | V | 3 |
| Caulfield, Elsie G. | 1st cousin once removed | V | 3 |
| Caulfield, Florence J. | 1st cousin once removed | V | 3 |
| Caulfield, Frederick | 1st cousin once removed | V | 3 |
| Caulfield, Henry R. | 1st cousin once removed | V | 3 |
| Caulfield, Jeanette Dorothea | 1st cousin once removed | V | 3 |
| Caulfield, John Theodore | 1st cousin once removed | V | 3 |
| Caulfield, John Thomas | Husband of the grandaunt | | |
| Caulfield, Mary Frances | 1st cousin once removed | V | 3 |
| Cavendish, William John Robert | Brother-in-law | | |
| Clifford, Elizabeth | 4th great-grandmother of the wife | | |
| Colton, Claire | Wife of the 1st cousin | | |
| Connelly, George William | Husband of the aunt | | |
| Connelly, Mary Louise | 1st cousin | IV | 2 |
| Cox, Philip | 2nd great-grandfather | IV | 4 |
| Cox, Rosanna | Great-grandmother | III | 3 |
| Crawford, Alexander G. | Husband of the 1st cousin once removed | | |
| Cuomo, Andrew | Husband of the niece | | |
| DeVine, John Bernard | Husband of the 1st cousin | | |
| Ewing, Caroline Maslin | Great-grandmother of the wife | | |
| Farley, Mary Elizabeth | Wife of the 1st cousin once removed | | |
| Field, Margaret M. | Great-grandmother | III | 3 |
| Field, Patrick | 2nd great-grandfather | IV | 4 |
| File, Katherine Eunice Shwarzenegger-Kennedy | Grandniece | IV | 3 |
| Finkfelt, Frank William | Husband of the 1st cousin once removed | | |
