Sigismund, a member of the House of Habsburg, was Duke of Austria from 1439 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.
- Occupation
- regent
- Position held
- regent, duke
- Born
- October 26, 1427
- Died
- March 4, 1496