| Name | Relationship with Karl Koch | Civil | Canon |
|---|
| <Unnamed> | Grandchild | II | 2 |
| <Unnamed> | Grandchild | II | 2 |
| ?, Angela | Wife of the 3rd great-grandson | | |
| Bearden, Dorothy Louise | 2nd great-granddaughter | IV | 4 |
| Bearden, Harry | Husband of the great-granddaughter | | |
| Bearden, Henry Edward | 2nd great-grandson | IV | 4 |
| Bearden, Prewitt | 2nd great-grandson | IV | 4 |
| Bearden, Walter Adolph | 2nd great-grandson | IV | 4 |
| Bernsey, Laura | Wife of the great-grandson | | |
| Biewend, ? | Husband of the granddaughter | | |
| Biewend, Mathilde | Daughter-in-law | | |
| Bolton, Christine | Ex-wife of the 3rd great-grandson | | |
| Bruni, Alex | Husband of the 3rd great-granddaughter | | |
| Bruni, Alexander | 4th great-grandson | VI | 6 |
| Bruni, Erica | 4th great-granddaughter | VI | 6 |
| Buddy | 3rd great-grandson | V | 5 |
| Burkhardt, Daniel | Husband of the great-granddaughter | | |
| Dottie | 2nd great-granddaughter | IV | 4 |
| Ehret, Aeryal Kirstyn | 5th great-granddaughter | VII | 7 |
| Ehret, Bridget Marie | 4th great-granddaughter | VI | 6 |
| Ehret, Charles Edward | 4th great-grandson | VI | 6 |
| Ehret, Charles Joseph | Husband of the 3rd great-granddaughter | | |
| Hasenpflug, Lenora | Wife of the great-grandson | | |
| Haskel, Grayson | 4th great-grandson | VI | 6 |
| Haskel, Kent | Husband of the 3rd great-granddaughter | | |
| Hausman, Emma | Wife of the great-grandson | | |
| Healer, Naomi Laura | Wife of the 2nd great-grandson | | |
| Herbst, Jane Elizabeth Koch | 2nd great-granddaughter | IV | 4 |
| Jacobs, Alex Christopher | 4th great-grandson | VI | 6 |
| Jacobs, Betsy Kay | 3rd great-granddaughter | V | 5 |
| Jacobs, Bradley James | 4th great-grandson | VI | 6 |
| Jacobs, Cynthia Anne | 3rd great-granddaughter | V | 5 |
| Jacobs, Eugene | Husband of the 2nd great-granddaughter | | |
| Jacobs, Eugene Edwin | 3rd great-grandson | V | 5 |
| Jacobs, Eugene Edwin | 4th great-grandson | VI | 6 |
| Jacobs, James | 3rd great-grandson | V | 5 |
| Jacobs, Matthew Paul | 3rd great-grandson | V | 5 |
| Jacobs, Natalie Marie | 4th great-granddaughter | VI | 6 |
| Johnson, Richard | Husband of the 2nd great-granddaughter | | |
| Jones, Elise Maude | Wife of the great-grandson | | |
| Katie | 2nd great-granddaughter | IV | 4 |
| Klein, Carla J. | 3rd great-granddaughter | V | 5 |
| Klein, Margaret Elisabeth | 3rd great-granddaughter | V | 5 |
| Klein, Wallace G. | Husband of the 2nd great-granddaughter | | |
| Koch, Adolph | Grandson | II | 2 |
| Koch, Adolph Washington Arnold | Great-grandson | III | 3 |
| Koch, Agnes Mathilde | Great-granddaughter | III | 3 |
| Koch, Arnold | Grandson | II | 2 |
| Koch, Enid | Granddaughter | II | 2 |
| Koch, Esther | 2nd great-granddaughter | IV | 4 |
