(his father having renounced his own right). Dukes of Brunswick-Lüneburg and successors House of Welf Partitions of Brunswick-Lüneburg under Welf rule Table of rulers See also Electorate of Hanover Duchy of Brunswick Duchy of Gifhorn Principality of Brunswick-Wolfenbüttel Principality of Calenberg Principality of Grubenhagen Principality of Göttingen Principality of Lüneburg Brunswick-Bevern House of Hanover House of Welf List of the rulers of Lüneburg List of the rulers of Brunswick-Wolfenbüttel References External links Map of Lower Saxony 1789 Royalty guide - Braunschweig Royalty guide - Braunschweig-Lüneburg 1230s establishments in the Holy Roman Empire 1235 establishments in Europe 1806 disestablishments in the Holy Roman Empire States and territories established in 1235 Duchies of the Holy Roman Empire Lower Saxon Circle Former monarchies of Europe Former duchies