James Duff (1728-1804) (1728–1804) Parents Catherine Duff Alexander Duff, 1st of Hatton Children Catherine Duff Isabella Duff George Duff Mary Duff Fife Duff Jane Duff Helen Duff James William Duff Alexander Duff Anne Duff Sophia Duff John Duff Siblings Margaret Duff John Duff Patrick Duff Helen Duff Jane Duff Alexander Duff, 2nd of Hatton Partners Margaret Ogilvie Dunbar Helen Skene