_. Margaret Christina Campbell-Preston, who died 26 June, 2020, aged 100, was a scion of the Dukes of Montrose.
She was born 3 July, 1919, as Margaret Christina Graham, daughter of Capt Lord Alastair Mungo Graham, RN [1886-1976], by his fist wife the former Lady Meriel Elizabeth Bathurst [died 1936], daughter of the 7th Earl Bathurst [1864-1943].
Margaret was a granddaughter paternally of the 5th Duke of Montrose, KT [1852-1925].
She married 18 June, 1960, Thomas Colin Ernest Campbell-Preston, MC, TD [1918-99], scion of that landed gentry family, son of Col Robert William Pigott Clarke Campbell-Preston, by his wife the former Mary Augusta Margaret Nicol Thorne.
Mrs Campbell-Preston leaves an adopted son, Patrick [born 1964].