John Duff (1689-1751) (1689–1751) Parents Anne Innes Patrick Duff of Craigston Children James Duff Siblings William Duff Alexander Duff, 1st of Hatton Patrick Duff Jean Duff Helen Duff Robert Duff of Logie and Fetteresso Mary Duff Archibald Duff Adam Duff Margaret Duff Francis Duff Thomas Duff James Duff Elizabeth Duff