Talk:Dukedoms of the British Isles by reign

Is there any particular reason
to only list extant dukedoms? john k (talk) 04:13, 6 August 2009 (UTC)
 * Easier to complete, I think. This article would be more wonderful if anyone would have the energy to include other dukedoms. Emerson 07 (talk) 14:45, 21 December 2011 (UTC)