John Frederick, Duke of Brunswick-Lüneburg Duke of Brunswick-Calenberg (1625-1679) (1625–1679) Parents Anne Eleonore of Hesse-Darmstadt George, Duke of Brunswick-Lüneburg Children Charlotte Felicitas of Brunswick-Lüneburg Anne Sophie von Braunschweig-Lüneburg-Kalenberg Henriette Marie von Braunschweig-Lüneburg-Kalenberg Wilhelmine Amalia of Brunswick-Lüneburg Siblings George William of Brunswick-Lüneburg-Celle Christian Louis, Duke of Brunswick-Lüneburg Sophie Amalie of Brunswick-Lüneburg Ernest Augustus, Elector of Brunswick-Lüneburg Madeleine of Brunswick-Lüneburg Dorothea Magdalen of Brunswick-Lüneburg Anne Marie Eleanor von Braunschweig-Lüneburg Partners Benedicta Henrietta of the Palatinate