Possible Clues:

• Grandeur may include something ludicrous
• Might conceal a crack, sire
• Sovereign power
• James dealt with limits of territory in royal state
• August impression: a month full of fun
• Your king is perhaps joking with Mother
• Loftiness shown by kid during a month of blossoming?
• Royal personage
• A joke in my dignified appearance
• Great quality kid in early life