Sigmund Franz, Erzherzog von Österreich
Archduke Sigmund Franz, engraving by J. F. Rosbach
Sigmund Franz, Archduke of Austria, b. Innsbruck, Nov. 27, 1630, d. Innsbruck, June 25, 1665. Second son of Leopold V and Claudia von Medici. Became bishop of Augsburg without consecration in 1646, bishop of Gurk in 1653 and bishop of Trento in 1659; after the death of his brother Ferdinand Karl sovereign of the Tyrol; renounced all ecclesiastical posts in 1665 and contemplated marriage but died beforehand. He was the last male issue of the Tyrolean line of Leopold V.
Literature: H. Sonnweber, Geschichte Tirols unter Erzhzg. Sigmund Franz, doctoral thesis, Innsbruck 1950; B. Hamann, Die Habsburger, 41993.