"Chief of the Duffs" . . "Earls of Fife" . "Clan Makduffe" . "MacDuib" . "MacDuff" . "Clan MacDuff" . "Duffs" . "Duff tartan" . "Duff" . "Law of Clan MacDuff" . . "Clann Duib" . . "Clan MacDuff" . . "clan Macduff" . . "Clann Meic Duibh" . . "Clann MacDuib" .