"The sort of minimum courtesy for anyone with a Vor in front of their name is just 'last name, Vor included'," he begins. "So Vorreedi, Vorpatril, Vorkosigan - never Mister or Monsieur for the men, but the women get Mademoiselle Vorsomebody, or Madame if married. Formally speaking, a Count is Count Vorsoandso, his wife is Countess Vorsoandso, his direct heir is Lord Vorsoandso, and all his siblings and his heir's siblings and his heir's children - but not the children of his siblings or the children of his heir's siblings - are Lord or Lady Firstname as appropriate. With me so far?"