Lady Hamilton married James Graham 6th Duke of Montrose , Marquess of Graham , on 14 June 1906 .
In 1895 , the 12th Duke died and the manor passed to his daughter Lady Mary Louise Hamilton , born 1 November 1884 .
Lady Mary Louise Hamilton   married James Graham 6th Duke of Montrose , Marquess of Graham , on 14 June 1906 .
In 1895 , the 12th Duke died and the manor passed to his daughter Lady Mary Louise Hamilton , born 1 November 1884 .