| Name | Relationship with John Simplot | Civil | Canon |
|---|
| Vard, Mostafa | Husband of the 4th great-granddaughter | | |
| Wallace, Kenneth | Husband of the 3rd great-granddaughter | | |
| West, Delberta C | Wife of the 3rd great-grandson | | |
| West, Ethel | Wife of the 2nd great-grandson | | |
| Wickler, Anna C. | Wife of the grandson | | |
| Yates, Robert | Husband of the granddaughter | | |
| Younger, Debbie | Wife of the 3rd great-grandson | | |
| Zimmerman, Erica | Wife of the 3rd great-grandson | | |
