| Source: World War I: Biography and Service Records:
Persons Who Enlisted in St. Louis City and
County Location: Reading room / St. Louis shelves | |
 | |
| Last Name: | Toensfeldt |
| First Name: | Rolf |
| Middle Name: | Thomas |
| Illustration: | Yes |
| Rank: | Ensign |
| Birth Year: | 1888 |
