All Noblemen and women up to the rank of Duchess or Duke are addressed by the rather clergy-sounding style of "Your Grace"
In Imperial Russia a Grand Duchess, who was a princess royal, if under l8, as you know who was, would correctly be styled- Your Grace, over l8- Your Highness. Romanov girls lived up to the Princely style
In the United Kingdom princes can be created dukes(Prince Adnrew, Duke of York) on behalf of the monarch on their wedding day and when referred you say "Your Royal Highness" and/or "Sir" their after but a regular British duke may simply be called "Your Grace"
Female verism title for Duke is Duchess
A duke a male, a duchess is a female.
The Duke and Duchess got married at Westminster Abby in London.
The duration of The Duchess of Duke Street is 3000.0 seconds.
The territory of a duke or duchess was called a Duchy.
The Duchess of Duke Street ended on 1977-12-24.
The Duchess of Duke Street was created on 1976-09-04.
The Duchess would have to be a widow.
A male Duchess is called a DukeWait a minute. A male duchess would be called a transvestite, or perhaps more accurately transgendered.
The current Duke and Duchess of Rothesay are Prince Charles and his wife, Camilla.
A Dutchess is married to a Duke
The feminine form of Duke is Duchess.