 The elder son William joined the Incorporation of Surgeons on 18 July 1777, settled in London, where he married Isabella, sister of Robert Dallas, and died young.John, the younger brother, was one of the first fellows of the Royal College of Surgeons of Edinburgh, where he was admitted on 14 March 1781.He became President in 1804–5, and, like his father, was known as a dentist.