IV. Gen. Percival Butler, the fourth son, was born in Carlisle, Pennsylvania, April 4th, 1760. At seventeen years of age he entered the army of the Revolution, and was commissioned First Lieutenant in the 3rd Pennsylvania, Col. Thomas Craig’s regiment, September 1st, 1777. He wintered at Valley Forge, served in the battle of Monmouth, and was at the siege and capture of Yorktown. He went South with Gen. Wayne, and remained there until the close of the war. He emigrated to Kentucky in 1784, and married Miss Hawkins, of Lexington. He was the only survivor of the five brothers when the war of 1812 began, in which war he served as a Brigadier General of Kentucky troops. He had four sons. The oldest was Thomas who was Captain and Aid-de-Camp to Gen. Jackson at the battle of New Orleans. His next son, Gen. William O. Butler, distinguished himself greatly in the War of 1812, and also in the war with Mexico in 1846, where he was second in command to Gen. Taylor. He was a candidate for Vice-President of the United States on the ticket headed by Gen. Lewis Cass.