Princess Augusta of Cambridge was a member of the British royal family, a granddaughter of George III. She married into the Grand Ducal House of Mecklenburg-Strelitz and became Grand Duchess of Mecklenburg-Strelitz.

Prince Adolphus, Duke of Cambridge was the tenth child and seventh son of King George III of the United Kingdom and Queen Charlotte. He held the title of Duke of Cambridge from 1801 until his death. He served as Viceroy of the Kingdom of Hanover successively on behalf of his elder brothers King George IV and King William IV.