Frederick IV, Duke of Brunswick-Lüneburg

Frederick, Duke of Brunswick and Lüneburg, (28 August 1574 – 10 December 1648) was the Prince of Lüneburg from 1636 to 1648. Frederick was born on 28 August 1574, the tenth child of William the Younger (Brunswick-Lüneburg) (1535–1592) and Dorothea of Denmark to the New House of Lüneburg. He became bishop's adjutor in the Bishopric of Ratzeburg and was elected propst (provost) of the Archdiocese of Bremen.

Frederick IV, Duke of Brunswick-Lüneburg

Frederick, Duke of Brunswick and Lüneburg, (28 August 1574 – 10 December 1648) was the Prince of Lüneburg from 1636 to 1648. Frederick was born on 28 August 1574, the tenth child of William the Younger (Brunswick-Lüneburg) (1535–1592) and Dorothea of Denmark to the New House of Lüneburg. He became bishop's adjutor in the Bishopric of Ratzeburg and was elected propst (provost) of the Archdiocese of Bremen.