Thomas Custer George Custer had become sterile after contracting gonorrhea while at West Point, and that the father of these children was his brother Thomas. Thomas Custer Thomas Ward Custer (March 15, 1845 – June 25, 1876) was a United States Army officer and two-time recipient of the Medal of Honor for bravery during the American Civil War. A younger brother of George Armstrong Custer, he served as his aide at the Battle of Little Bighorn against the Lakota and Cheyenne in the Montana Territory. Together with the younger Boston Custer, the three brothers were killed in that overwhelming defeat of United
Boston Custer ("Tom"), became military officers in the Union Army during the American Civil War. Boston had been unable to officially join the Army due to poor health. A civilian contractor, Custer served as forage master for his brother George's U.S. 7th Cavalry Regiment in the 1874 Black Hills expedition. He was employed as a guide, forager, packer and scout for the regiment for the 1876 expedition against the Lakota Indians. On June 25, 1876, along with his 18-year-old nephew Henry Armstrong "Autie" Reed, Custer was with the pack train at the rear of Lt. Col. George Custer's troops. Hearing from a