Frederick IV, also known as Frederick of the Empty Pockets, a member of the House of Habsburg, was Duke of Austria from 1402 until his death. As a scion of the Habsburg Leopoldian line, he ruled over Further Austria and the County of Tyrol from 1406 onwards.
- Occupation
- regent
- Position held
- regent, duke
- Born
- 1382
- Died
- June 24, 1439
