 Nevertheless, Charles' younger brother Ferdinand I claimed his rights and became Archduke of Austria according to an estate distribution at the 1521 Diet of Worms, whereby he became regent over the Austrian archduchy and the adjacent Inner Austrian lands of Styria, Carinthia, Carniola and Gorizia (Görz).By marrying Princess Anna of Bohemia and Hungary, Ferdinand inherited both kingdoms in 1526.Also King of the Romans from 1531, he became the progenitor of the Austrian branch of the House of Habsburg (Habsburg-Lorraine from 1745 on), which as Archdukes of Austria and Kings of Bohemia ruled as Holy Roman Emperors until the Empire's dissolution in 1806.