General E. D. Keys. Erasmus Darwin Keyes (May 29, 1810 - October 14, 1895) was a businessman, banker, and military general, noted for leading the IV Corps of the Union Army of the Potomac during the first half of the American Civil War. Romeyn Beck Ayres (December 20, 1825 - December 4, 1888) was a Union Army general in the American Civil War

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