List of rulers of Brunswick-Wolfenbüttel

The Principality of Brunswick-Wolfenbüttel was a principality within the Duchy of Brunswick-Lüneburg, whose history was characterised by numerous divisions and reunifications. Various dynastic lines of the House of Welf ruled Brunswick-Wolfenbüttel until the dissolution of the Holy Roman Empire in 1806. As a result of the Vienna Congress, its successor state, the Duchy of Brunswick, was created in 1814. The following is a list of all the reigning princes of Brunswick-Wolfenbüttel. Note that, in addition to being titled "Prince of Brunswick-Wolfenbüttel", all the princes (not just the reigning ones) also used the title of "Duke of Brunswick and Lüneburg".

...
Wikipedia