In 1755, fear of rising Prussian belligerence stirred King George II to worry that his brother-in-law, Frederick II of Prussia (Frederick’s wife, Sophia, was George’s sister), might be tempted to invade Hanover as he had already invaded Silesia. It was to deter such a Prussian adventure that England had proposed renewal of the treaty with Russia which Sir Charles Hanbury-Williams had come to St. Petersburg to negotiate. When Count Bestuzhev signed the treaty for Russia in September 1755, Sir Charles was exuberant.
