Godfrey Diefenderfer, the eldest son of Alexander Diefenderfer and the ancestor of the greater part of the family in Lehigh County, was born Feb. 19, 1730. He was confirmed a member of the Great Swamp Reformed church, and about 1750 settled in Macungie township, where he secured a tract of 100 acres by warrant of Aug. 22, 1754, and later added to his holding until he had over 200 acres. He and his sons, John and Jacob, were enrolled as privates in Captain Greenmeyers Company of the First Battalion of Northampton County Militia, commanded by Lieut-Colonel Stephen Balliet in 1781 and 1782, in the Revolutionary War. He was one of the founders and an elder of the Reformed congregation at Trexlertown in 1784. He died April 16, 1806, and is buried at Trexlertown, near his wife. He married, May 2, 1753, Anna Margaret Mattern, who was born Oct 6, 1727, and died April 6, 1801. She was the daughter of Peter Mattern and his wife Catherine, the latter of whom died Sept 10, 1758, aged 56 years. Godfrey Diefenderfer and his wife, Anna Maragaret Mattem, had seven children: John, Gertrude, Jacob, Margaret, Henry, Anna Elizabeth and Philip.