So, who wants to tell the King that sir Lancelot is schtupping the Queen?
As I am liberal in my politics, sir, I am likewise pretty liberal with this rule.
Brown is married to sir Harold Evans, former editor of the Sunday Times of London and president of Random House.
c.1300, title of honor of a knight or baronet (until 17c. also a title of priests), variant of sire, originally used only in unstressed position. Generalized as a respectful form of address by mid-14c.; used as a salutation at the beginning of letters from early 15c.