George Yates George Yates George Wilhelmus Mancius Yates (February 26, 1843 – June 25, 1876) was an officer in the U.S. 7th Cavalry Regiment. He was killed in the Battle of the Little Bighorn. Yates was born in Albany, New York. He met Custer in Monroe, Michigan, and they became close personal friends. During the American Civil War, Yates was a second lieutenant in the 4th Michigan Infantry. Custer helped him secure a position on General Alfred Pleasonton's staff for Yates. Yates earned several brevet promotions in rank for his actions during the war. He fought at the First Battle of Manassas,
2nd Cavalry Regiment (United States) and was spread out, often with only one troop occupying a post. In December 1866, 25 troopers of the 2nd Cavalry under LT George W. Grummond accompanied CPT William J. Fetterman in his expedition against Chief Red Cloud. In northern Wyoming, these 81 men were engaged by a force of roughly 1,000 Indians, where they were all massacred in a desperate battle. On 29 June 1867, a small party of 10 troopers and 1 Indian scout under LT Lyman Kidder were ordered to take dispatches from General William Sherman to LTC George A. Custer. Custer grew impatient and moved out