Filters:
Henry I, Duke of Brunswick-Grubenhagen
Duke of Brunswick-Lüneburg
Years: 1267 - 1322
Henry I (August 1267 – 7 September 1322), Duke of Brunswick-Lüneburg, called the Admirable (German: Heinrich der Wunderliche, Latin: Henricus Mirabilis), a member of the House of Welf, was the first ruler of the Principality of Grubenhagen from 1291 until his death.
