What is John Frederick, Duke of Brunswick?
{{infobox noble|name=John Frederick|title=[[Duke of Brunswick-Lüneburg]]<br>[[Prince of Calenberg]]|image=Johann Hulsmann - Joh Friedrich Herzog von Braunschweig-Luneberg-Kalenburg - 1675.jpg|caption=John Frederick, c. 1675, by [[Johann Hulsman]]|noble family=[[House of Hanover|Hanover]]|father=[[George, Duke of Brunswick-Lüneburg]]|mother=[[Anne Eleonore of Hesse-Darmstadt]]|spouse=[[Benedicta Henrietta of the Palatinate]]|issue=[[Princess Charlotte Felicitas of Brunswick-Lüneburg]] <br> [[Princess Wilhelmina Amalia of Brunswick-Lüneburg|Wilhelmina Amalia]]|birth_date={{birth_date|1625|4|25|df=yes}}|birth_place=[[Herzberg am Harz]], [[Göttingen]], [[Principality of Calenberg]], [[Kingdom of Germany]], [[Holy Roman Empire]]|death_date={{death date and age|1679|12|18|1625|4|25|df=yes}}|death_place=[[Augsburg|Mixed Imperial City of Augsburg]], [[Kingdom of Germany]], [[Holy Roman Empire]]}} '''John Frederick''' ({{lang-de|Johann Friedrich}}; 25 April 1625 in [[Herzberg am Harz]] – 18 December 1679 in [[Augsburg]])<ref>{{cite news|date=13 January 1680|title=Hamburg den 29. December|language=Swedish|page=3|work=Swenska Ordinarie Post-Tijender}}</ref> was duke of [[Brunswick-Lüneburg]]. He ruled over the [[Principality of Calenberg]], a subdivision of the duchy, from 1665 until his death. ==References== {{reflist}} [[Category:1625 births]] [[Category:1678 deaths]] [[Category:Princes of Lüneburg]]