For example, for kings and queens, queens and their husbands, royalty and members of the royal family, Your Majesty uses direct address and Your Majesty/She uses indirect address.
Your royal/imperial/serenehness is a title of respect for royalty, which translates as "Your Highness".
Your Excellency "Your Excellency" is a courtesy title for ambassadors and governors, and cannot be used casually as an ordinary honorific.
Dear is also translated as "Your Excellency" to address ambassadors, prime ministers, prime ministers, ministers and others other than governors.
Noble titles are divided into dukes; ; Marquis or marquis; ; Count; ; Viscount and baron.
For duchess and duchess, address them as Grace and use his/her Grace as an indirect address. Marquis, earl, viscount and baron can all be called "lords". Call the master directly. Indirect reference uses "Lord+surname" or "Lord+place name". For jazz, it is called "sir", and the wife of jazz can be called "madam".
However, there is no special respect for "you" in general English. Use a formal address, such as "sir/madam". /madam ".