Gabriel Bethlen (1613–1629) was Prince of Transylvania from 1613 to 1629. Between 1619 and 1626 he led the anti-Habsburg uprisings in the Kingdom of Hungary during the Thirty Years' War.
Full-length portrait and costume by Gabriel Bethlen (1580–1629), drawing, 304 mm x 230 mm, 1729, artist unknown; source: The Romanian Academy Library, Wikimedia Commons, public domain.