The list is presently ordered by the precedence of the holder (i.e. the same as Template:British dukes) rather than the precedence of the title. I'm re-ordering it. Opera hat (talk) 11:26, 29 July 2008 (UTC)
The problem I have with the current order of precedence is that all Royal dukes take precedence over ordinary dukes, irrespective of the date of creation. This is amplified further at the Coronation ceremony, whereby Royal dukes where coronation robes with six rows of dots in the ermine, whereas ordinary dukes have only four rows of dots in the ermine. The coronets of Royal dukes is also different from ordinary dukes (see the article on here entitled 'Coronets' where this is clearly illustrated).
(Please note: the Duke of Edinburgh was originally entered in the rolls of the House of Lords as a duke, not a Royal duke. Although HRH The Prince Philip was subsequently created a Prince of the United Kingdom, this did not officially change his status in the roll of the House of Lords as a Royal duke - to do this the title would have to have been re-created as a Royal duke. Despite all this, Prince Philip still wore the insignia of a Royal duke with a Type II Princes' coronet at the Coronation in 1953). Ds1994 (talk) 20:29, 18 July 2010 (UTC)