William , of Kilmaronock , died 1717 , having married Grizel , daughter of James Grahame , 2nd Marquis of Montrose .
William , of Kilmaronock , had issue , Thomas , 6th Earl .
William , of Kilmaronock , died 1717 , having married Grizel , daughter of James Grahame , 2nd Marquis of Montrose , and had issue , Thomas , 6th Earl .