He returned to Germany, and lived there as Prince-Bishop of Osnabrück, conferred 2 March 1716, till his death in 1728.The fact of his existence was scarcely known to the majority of the British nation.Noble's Continuation of Granger, iii. 9 Historical Account of George Lewis, king of Great Britain.
Titles and styles
7 September 1674 - October 1692: His Serene Highness Duke Ernest Augustus of Brunswick-Luneburg
October 1692 - 5 July 1716: His Serene Highness Prince Ernest Augustus of Hanover
29 June 1716 – 14 August 1728: His Highness The Duke of York and Albany
These references are found in the DNB article referred to above.
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