William Duff of Crombie (died 1781) (1701–1781) Parents James Duff Jean Meldrum Children Thomas Duff Hugh Duff Sir James Duff, 1st Baronet William Duff Janet Duff Anne Duff Siblings Helen Duff Janet Duff Margaret Duff, of Crombie Joan Duff Mary Duff Margaret Duff Partners Elizabeth Dalrymple