| Source: Official Army Register of the Volunteer Force of the United States Army for the Years 1861, '62, '63, '64, '65. Part VII Location: 973.741 / Un3r | |
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| Last Name: | Grubenhorst |
| First Name: | Frederick |
| Last Name, Alternate Spelling: | Grabenhorst |
| Rank: | Captain |
| Regiment: | Forty-Ninth Regiment, Missouri Infantry |
| Page: | 136 |
