| Name | Relationship with John Simplot | Civil | Canon |
| Abernathy, Robert | Husband of the 4th great-granddaughter | | |
| Amato, Frances Rosemary Dolly | Wife of the 3rd great-grandson | | |
| Amborn, Jan Pierson | Wife of the 3rd great-grandson | | |
| Baptiste, Jean | Mother | I | 1 |
| Berg, Lorraine | Wife of the 2nd great-grandson | | |
| Bonson, Mary Ellen | Wife of the grandson | | |
| Botts, Bud | Husband of the 3rd great-granddaughter | | |
| Botts, Buddy | 4th great-grandson | VI | 6 |
| Botts, Lori | 4th great-granddaughter | VI | 6 |
| Brock, Larry Ray, Jr. | Husband of the 4th great-granddaughter | | |
| Brock, Timothy Andrew | 5th great-grandson | VII | 7 |
| Brooks, Henry | Husband of the granddaughter | | |
| Burkhamer, Joseph | Husband of the 4th great-granddaughter | | |
| Carter, Linda | Wife of the 3rd great-grandson | | |
| Chaillet, Ann Claude | Mother-in-law | | |
| Charneski, Lonnie Sue | Wife of the 4th great-grandson | | |
| Chase, Francis | Wife of the 3rd great-grandson | | |
| Claire, Gary Lee | Husband of the 3rd great-granddaughter | | |
| Claire, Kayla Jo Madison | 5th great-granddaughter | VII | 7 |
| Claire, Kelly Lee | 4th great-grandson | VI | 6 |
| Clauson, Michael Anthony | Husband of the 3rd great-granddaughter | | |
| Clauson, Michael Anthony, Jr. | 4th great-grandson | VI | 6 |
| Cohoon, Connie | Wife of the 3rd great-grandson | | |
| Colard, Francois | Wife | | |
| Colard, John Baptiste | Father-in-law | | |
| Cornelier, Paula Simplot | 5th great-granddaughter | VII | 7 |
| Davis, James Patrick | 4th great-grandson | VI | 6 |
| Davis, John Michael | Husband of the 3rd great-granddaughter | | |
| Davis, Sean Michael | 4th great-grandson | VI | 6 |
| Day, Mary Jane | Wife of the grandson | | |
| Diamond, Nataline | Wife of the 2nd great-grandson | | |
| Dillery, Johammah | Daughter-in-law | | |
| Enderer, Harry | Husband of the 2nd great-granddaughter | | |
| Enderer, Joanne | 3rd great-granddaughter | V | 5 |
| Enderer, Joe | 3rd great-grandson | V | 5 |
| Enderer, Mike | 3rd great-grandson | V | 5 |
| Enderer, Pat | 3rd great-granddaughter | V | 5 |
| Erickson, Betty | 4th great-granddaughter | VI | 6 |
| Erickson, Chopper | 4th great-grandson | VI | 6 |
| Erickson, Gerald | Husband of the 3rd great-granddaughter | | |
| Erickson, Sandy | 4th great-granddaughter | VI | 6 |
| Erickson, Wayne | 4th great-grandson | VI | 6 |
| Fisk, Jess | Husband of the 2nd great-granddaughter | | |
| Fuller, Donna | Wife of the 3rd great-grandson | | |
| Gamroth, Virginia | Wife of the 3rd great-grandson | | |
| German, Arbedea | 3rd great-granddaughter | V | 5 |
| German, Lloyd Gene | 3rd great-grandson | V | 5 |
| German, Walter | Husband of the 2nd great-granddaughter | | |
| Gerome, Ruth | Wife of the 2nd great-grandson | | |
| Guay, Joseph | Husband of the 4th great-granddaughter | | |