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. Wikipedia
Born: October 26, 1427, Innsbruck, Austria
Died: March 4, 1496 (age 68 years), Innsbruck, Austria
Parents: Frederick IV, Duke of Austria and Anna of Brunswick-Lüneburg
Spouse: Eleanor of Scotland (m. 1449–1480)
Great-grandparents: Albert II, Duke of Austria, Bernabò Visconti, Joanna of Pfirt, and more
Grandparents: Leopold III, Duke of Austria, Viridis Visconti, and Frederick I, Duke of Brunswick-Wolfenbüttel