Sigismund, Archduke of Austria (b. 1427)
Sigismund (26 October 1427 – 4 March 1496), a member of the House of Habsburg, was Duke of Austria from 1439 (elevated to Archduke in 1477) until his death. As a scion of the Habsburg Leopoldian line, he ruled over Further Austria and the County of Tyrol from 1446 until his resignation in 1490.