sentences:  H. Barclay of Trinity Church, New York.He was the grandson of Major-General Oliver De Lancey Sr. (1708–1785) and a great-grandson of Etienne de Lancey, who became known as Stephen Delancey (1663–1741).He married in Edinburgh, on 4 April 1815, Magdalene (1793–1822), one of the three daughters of Sir James Hall of Dunglass, fourth baronet (1761–1832), and his wife Lady Helen Douglas (1762–1837), a daughter of Dunbar Douglas, 4th Earl of Selkirk.