Duke of Brunswick and Lüneburg
| Germany | Chinese | English | French | Year | Memo |
| Otto I | 1235-1252 | ||||
| Albrecht I | 1252-1267 | D.of Brunswick | |||
| Johann (I) | 1252-1267 | D.of Brunswick-Lüneburg |
1235 div from Duke of Saxony. 1267 div to Duke of Brunswick and Duke of Brunswick-Lüneburg.