Question: What is the name of Queen Elizabeth's ll father? answer: King George Vl
Royal prerogative in the United Kingdom: The royal prerogative is a body of customary authority, privilege, and immunity, recognised in the United Kingdom as the sole prerogative of the Sovereign and the source of many of the executive powers of the British government. Monarchy of the United Kingdom:  The current monarch and head of state, Queen Elizabeth II, ascended the throne on the death of her father, King George VI, on 6 February 1952.
King George VI