Darwin W. Sunderland and John R. Sunderland, brothers from Rensselaer Falls, N.Y., were the sons of Albert and Prudence Sunderland. Both were Civil War soldiers; Darwin was a private in Company C of the 106th Infantry division of the New York State Volunteers, John was a private in Company K of the 11th Cavalry unit NYSV, or "Scott's 900". Darwin served in the Union army from August 6, 1862 until his death on May 12, 1864. He was killed in combat near Brandy, Virginia at the age of 23. John probably enlisted in 1862 and served until December 16, 1864 when he died of small pox at St. Louis Hospital in New Orleans, Louisiana. He was 22 at the time of his death.
From the description of Sunderland family correspondence, 1837-1867 (St. Lawrence University). WorldCat record id: 44422968
