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,
George Armstrong Custer Hills region from the Sioux. When the Sioux refused to sell, they were ordered to report to reservations by the end of January, 1876. Mid-winter conditions made it impossible for them to comply. The administration labeled them "hostiles" and tasked the Army with bringing them in. Custer was to command an expedition planned for the spring, part of a three-pronged campaign. While Custer's expedition marched west from Fort Abraham Lincoln, near present-day Mandan, North Dakota, troops under Colonel John Gibbon were to march east from Fort Ellis, near present-day Bozeman, Montana while a force under General George Crook was to