UnScramble this Word: o r n l u f m u?

Questions

Henry the Eighth was the father of two English Queens, Mary I and Elizabeth I. Which other King was the father did the same?

Which Castle, home of the Dukes of Rutland, is near Grantham in Lincolnshire?

What did Wilde describe as "A man who knows the price of everything and the value of nothing"?

In Shakespeare's Hamlet, who is the father of Ophelia?

Which is the longest river - not river system - in the U.S.A.?