Original: His father , a political advisor to Frederick , Prince of Wales and King George III , served briefly in the Cabinet as First Lord of the Admiralty and Perceval 's early childhood was spent at Charlton Manor House , which his father had taken to be near Woolwich docks .
Simplified: His father , a close friend of Frederick , Prince of Wales and King George III , had served in the Cabinet as First Lord of the Admiralty , but died when Perceval was ten .