Possible Clues:

• Royal servant, third little piggy?
• Tower guard's exploit with sweetheart consumed by drink
• Yeoman of the British guard
• Bodyguard of the British monarch
• Yeoman producing crab apple?
• Yeoman of the English royal guard
• Ceremonial soldier's electronic exploit in the drink
• Worker perhaps undertaking to accompany the Queen?
• The warder who's not a vegetarian
• Ale-drinking achievement by English yeoman