What's the right title to use to address people?
King/Queen - Your Majesty
Prince/Princess - Your Highness
Baron/Baroness - Your Excellency
(A tip on keeping TRH and TRM title straight) [Non-SCA Link]
Royal Peer -
King/Queen once before, Count/Countess - Your Excellency
King/Queen at least twice, Duke/Dutchess - Your Grace
Prince/Princess at least once, Viscount/Viscountess - Your Excellency
Peer (Laurel/Pelican) - Master/Mistress
Knight - Sir/Dame
Squire, Apprentice, Protege - (no change in title)
Award of Arms - Lord/Lady, or My Lord / My Lady
Grant of Arms - Your Lordship/Ladyship, or Honorable Lord/Lady
Patent of Arms - (no change in title)
Everyone Else - Milord/Milady, or Good Gentle
http://sandradodd.com/ideas/etiquette4.html [Non-SCA Link]