Lady Constance Montagu Douglas Scott (1877-1970) (1877–1970) Parents Louisa Jane Hamilton William Montagu Douglas Scott, 6th Duke of Buccleuch Children Hugh Cairns Helen Cairns Siblings Walter Henry Montagu Douglas Scott, Earl of Dalkeith Lord Herbert Scott John Montagu Douglas Scott, 7th Duke of Buccleuch Lord Henry Scott George Montagu-Douglas-Scott Katharine Mary Montagu Douglas Scott Francis George Montagu-Douglas-Scott Partners Douglas Halyburton Cairns