Mary Montagu Douglas Scott, Duchess of Buccleuch

Vreda Esther Mary Lascelles (17 September 1900 – 9 February 1993), later Mary ("Mollie") Montagu Douglas Scott, Duchess of Buccleuch, was the elder of the two daughters of Major William Frank Lascelles and Lady Sybil Evelyn de Vere Beauclerk.
On 21 April 1921 she married Walter Montagu Douglas Scott, 8th Duke of Buccleuch and 10th Duke of Queensberry; her title was officially styled "Duchess of Buccleuch" on 19 October 1935. They had three children:
Lady Elizabeth Diana Montagu Douglas Scott (20 January 1922 – 19 September 2012)
Walter Francis John Montagu Douglas Scott, 9th Duke of Buccleuch and 11th Duke of Queensberry (28 September 1923 – 4 September 2007)
Lady Caroline Margaret Montagu Douglas Scott (born 7 November 1927)
The Duchess died aged 92 at Boughton House on 9 February 1993. She was buried next to her husband among the ruins of Melrose Abbey.