Catherine of Brunswick-Wolfenbüttel, Margravine of Brandenburg-Küstrin Margrave of Brandenburg-Küstrin (1518–1574) Parents Marie von Württemberg Henry V, Duke of Brunswick-Lüneburg Children Catherine of Brandenburg-Küstrin Elisabeth of Brandenburg-Küstrin Siblings Julius, Duke of Brunswick-Lüneburg Margarete of Brunswick-Wolfenbüttel Clara of Brunswick-Wolfenbüttel Maria of Brunswick-Wolfenbüttel Philip Magnus von Braunschweig-Wolfenbüttel Andrew von Braunschweig-Wolfenbüttel Karl Victor von Braunschweig-Wolfenbüttel Partners John, Margrave of Brandenburg-Küstrin
