Lodge, John. Peerage of Ireland, or, A Genealogical History of the Present Nobility of That Kingdom : With Engravings of Their Paternal Coats of...Vol. 7, Page 196.S1
Uchter, the eldest son, married Janet, daughter of William, Lord Semple, by whom he had issue Uchter, his heir, William, progenitor to the Knox's of Silvyland; and two daughters, the elder of whom, Janet, married first Alexander Conyngham of the family of Craigends, and secondly, (John) Porterfield of Porterfield; and the second daughter married John Buntine of Ardoch, an ancient family yet existing in the shire of Dumbarton.S1
