If you’re male, you should do a neck bow. This simply means bowing by nodding your head. If you’re female, do a small curtsy. This means dipping your body downward slightly by bending your knees.
When referring to an emperor, you would refer to him or her as “His/Her Imperial Majesty, Emperor of (Name of Country)”; when addressing one, replace “His/Her” with “Your”. When referring to a king, say, “His Majesty, the King. " When addressing a queen, say, “Your Majesty, my Queen. “[3] X Trustworthy Source Victorian Government Official website for the Australian state of Victoria Go to source
For a prince, say, “His Royal Highness, Prince of (Name of Country). " For a princess, say, “Her Royal Highness, Princess of (Name of Country). "
For a duke, say, “His Grace, the Duke of (Name of Country). " For a duchess, say, “Her Grace, the Duchess of (Name of Country). "
Some titles are simple. For example, a knight is simply addressed as “Sir” followed by his name, and a knight’s wife is addressed as “Lady,” followed by her name. The same is true for baronets and their wives. Royal people that fall between knights and baronets and positions like king and queen are usually addressed as, “The Right Honorable,” followed by their name. A marquee, for examples, would be addressed as “The Right Honorable. "
On the first line, begin with “Unto” and then include the appropriate title of address. For example, if you’re writing to the queen of England, your first line would read, “Unto Her Majesty, the Queen of England. " The second line should state who you are. A letter to royalty should not withhold the letter writer’s name until the signature. If you have any titles, include them here. For example, “Lord John Smith of Scotland sends greetings. "
For high ranking officials, like kings, queens, princes, princesses, and emperors, use something very formal before your signature. Usually, you would write something like, “I have the honor to remain Your Majesty’s most humble and obedient servant. " For other forms of royalty, “Yours faithfully” is usually sufficient.
Do not attempt a handshake until a person of royal ranking has reached out to you. Avoid touching a person of royal ranking during conversation.
Avoid things like sleeveless clothing or casual wear. Dress your best. Bring out your fanciest clothing, and make sure any outfit you choose is clean and free of stains, rips, or holes.