> As I recall Constantine was a Romano-British personal name popular with the > Britons. It appears in a few versions of the Campbell pedigree along with > king Arthur and Uther pendragon. It may also appear in Welsh genealogies > appended to Nennius but I haven't bothered to check that. Constantine was also popular within the royal line of Cenel Gabhrain http://www.magoo.com/hugh/scotskings.html#pedigrees