Background
Henry was the son of Henry the Mild, Duke of Brunswick-Lüneburg.
Henry was the son of Henry the Mild, Duke of Brunswick-Lüneburg.
After Henry became of age, he tried to separate his and his brother"s government. Henry married Helen (1423–1471), daughter of Adolph I, Duke of Cleves, in 1436. They only had one child:
Margaret (1450–1509), married William III, Count of Henneberg.