Duke of Rothesay is an unusual title to use. It is automatically assigned to the heir apparent of the King/Queen of Great Britain. Prince Charles usual official title is the Prince of Wales, why use Rothesay now? Rothesay, the place, has a 13th century castle ruin. At first glance Rothesay -Rothschild? MacLeod -> DJT?
Double meanings exist. There can be only one? Is this a threat?