Related Clues:

• It sounds as if he would 11 down
• The Duke of Edinburgh
• Boost announced for Alexander's father
• Boy's name
• Man's name
• Poet and librarian
• Best Actor Oscar winner 2005, for 'Capote'
• Composer Glass
• --- of Macedon; --- Pirrip (Dickens)
• - Larkin, English poet
• Boost, say, for kings of Spain and Macedon
• Duke of Edinburgh, say
• Stimulus, say, for Masefield's king
• A regal stimulus, it's said, for King John
• One of the 12 apostles