John I Albert was King of Poland and (disputed) Supreme Duke of Lithuania from 1492 to his death, as well as Duke of Głogów from 1491 to 1498. He was the fourth Polish sovereign from the Jagiellonian dynasty and the son of Casimir IV and Elizabeth of Austria.
- Occupation
- politician
- Position held
- King of Poland
- Citizenship
- Poland
- Born
- December 27, 1459
- Died
- June 17, 1501