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
Last Name:	Grabenhrost
First Name:	Frederick
Last Name, Alternate Spelling:	Grabenhorst
Rank:	First Lieutenant
Regiment:	First Battalion, Missouri State Militia Cavalry
Page:	5