Read the excerpt from Act III of The Importance of Being Earnest. Jack. [In a clear, cold voice. ] Miss Cardew is the grand-daughter of the late Mr. Thomas Cardew of 149 Belgrave Square, S. W. ; Gervase Park, Dorking, Surrey; and the Sporran, Fifeshire, N. B. Lady Bracknell. That sounds not unsatisfactory. Three addresses always inspire confidence, even in tradesmen. But what proof have I of their authenticity? Jack. I have carefully preserved the Court Guides of the period. They are open to your inspection, Lady Bracknell. Lady Bracknell. [Grimly. ] I have known strange errors in that publication. Jack. Miss Cardew’s family solicitors are Messrs. Markby, Markby, and Markby. Lady Bracknell. Markby, Markby, and Markby? A firm of the very highest position in their profession. Indeed I am told that one of the Mr. Markby’s is occasionally to be seen at dinner parties. So far I am satisfied. What does this excerpt most clearly convey about Lady Bracknell? She thinks that family backgrou