John Frederick, Duke of Brunswick

John Frederick (German: Johann Friedrich; 25 April 1625 in Herzberg am Harz – 18 December 1679 in Augsburg)[1] was duke of Brunswick-Lüneburg. He ruled over the Principality of Calenberg, a subdivision of the duchy, from 1665 until his death.

John Frederick
Duke of Brunswick-Lüneburg
Prince of Calenberg
John Frederick, c. 1675, by Johann Hulsman
Born(1625-04-25)25 April 1625
Herzberg am Harz, Göttingen, Principality of Calenberg, Kingdom of Germany, Holy Roman Empire
Died18 December 1679(1679-12-18) (aged 54)
Mixed Imperial City of Augsburg, Kingdom of Germany, Holy Roman Empire
Noble familyHanover
Spouse(s)Benedicta Henrietta of the Palatinate
IssuePrincess Charlotte Felicitas of Brunswick-Lüneburg
Wilhelmina Amalia
FatherGeorge, Duke of Brunswick-Lüneburg
MotherAnne Eleonore of Hesse-Darmstadt

The third son of George, Duke of Brunswick-Lüneburg, John converted to the Roman Catholic Church, the only member of his family to do so, in 1651, as a result of a visit while in Italy to Saint Joseph of Cupertino.[2] He received Calenberg when his elder brother George William inherited the Principality of Lüneburg. In 1666, he had a palace built in Herrenhausen near Hanover that was inspired by the Palace of Versailles and is famous for its gardens, the Herrenhausen Gardens.

In 1667, he employed as his master builder the Venetian architect Girolamo Sartorio, who designed many buildings in the town, including the Neustädter Kirche, and was instrumental in the expansion of the Herrenhausen Gardens.

In 1676, John Frederick employed Gottfried Wilhelm Leibniz as Privy Councillor and librarian of the important ducal library. Thus began Leibniz's 40-year association with the House of Hanover, which resulted in three generations of Hanovers being patrons to one of the most eminent philosophers and mathematicians of Europe.

Funeral thaler for John Frederick, Duke of Brunswick-Lüneburg (1679)
Funeral thaler for John Frederick, Duke of Brunswick-Lüneburg (1679)
John Frederick, ca. 1670, after Jean Michelin
John Frederick, ca. 1670, after Jean Michelin

Children
Charlotte Felicitas, his middle daughter

John Frederick married Benedicta Henrietta of the Palatinate (14 March 1652 – 12 August 1730), daughter of Edward, Count Palatine of Simmern and Anna Gonzaga, on 30 November 1668. They had four daughters:

Ancestry

Notes
  1. "Hamburg den 29. December". Swenska Ordinarie Post-Tijender (in Swedish). 13 January 1680. p. 3.
  2. Pastrovicchi, O.M.C., Father Angelo. "Saint Joseph of Copertino". Internet Archive. Retrieved 22 October 2021.

References
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