On 27 February 1764, when Prince Frederick was six months old, he became Prince-Bishop of Osnabrück upon the death of Clemens August of Bavaria. The Peace of Westphalia stipulated that the city of Osnabrück would alternate between Catholic and Protestant rulers, with the Protestant bishops to be elected from the cadets of the House of Brunswick-Lüneburg . 
Early life. Frederick was the son of Crown Prince Frederick William of Prussia and his wife, Sophia Dorothea of Hanover. He was born sometime between 11 and 12 p.m. on 24 January 1712 in the Berlin Palace and was baptised with the single name Friedrich by Benjamin Ursinus von Bär on 31 January.
Frederick, Prince of Wales, KG (Frederick Louis, German: Friedrich Ludwig; 31 January 1707 – 31 March 1751), was the eldest son and heir apparent of King George II of Great Britain. He grew estranged from his parents, King George and Queen Caroline .
Augustus Frederick was baptised in the Great Council Chamber at St James's Palace, on 25 February 1773, by Archbishop of Canterbury Frederick Cornwallis.His godparents were the Duke of Saxe-Gotha-Altenburg (his paternal first cousin once-removed, for whom The Earl of Hertford, Lord Chamberlain, stood proxy), Duke George Augustus of Mecklenburg (his maternal uncle, for whom the Earl of Bristol ...
George II (George Augustus; German: Georg August; 30 October / 9 November 1683 O.S./N.S. – 25 October 1760) was King of Great Britain and Ireland, Duke of Brunswick-Lüneburg and a prince-elector of the Holy Roman Empire from 11 June 1727 until his death in 1760.
Henry Frederick, Prince of Wales KG (19 February 1594 – 6 November 1612), was the eldest son and heir apparent of James VI and I, King of England and Scotland; and his wife Anne of Denmark. His name derives from his grandfathers: Henry Stuart, Lord Darnley ; and Frederick II of Denmark .
Frederick and Victoria were great admirers of Prince Albert, Queen Victoria's husband. They planned to rule as co-monarchs, like Albert and Queen Victoria, and to reform what they saw as flaws in the executive branch that Bismarck had created for himself.