Marion Porterfield Peerage person ID=326542 (b. 1563) Parents Isabelle Cunningham William Porterfield of that Ilk and Duchal Children Alexander Cuninghame, 5th of Corsehill Margaret Cuninghame Elizabeth Cuninghame Cuthbert Cuninghame Siblings Alexander Porterfield of that Ilk Partners Alexander Cuninghame, 4th of Corsehill