Lady Margaret Mary Heathcote-Drummond-Willoughby (1866-1956) (1866–1956) Parents Gilbert Heathcote-Drummond-Willoughby, 1st Earl of Ancaster Children Margaret Evelyn Rutherford Siblings Lady Mary Adelaide Heathcote-Drummond Gilbert Heathcote-Drummond-Willoughby, 2nd Earl of Ancaster Lady Evelyn Clementina Heathcote-Drummond-Willoughby Claud Heathcote-Drummond-Willoughby Peter Willoughby Charles Heathcote-Drummond-Willoughby Partners Gideon Macpherson Rutherford