Hedwig of Sagan was Queen of Poland as the fourth wife of Casimir III. Casimir's lack of male heir spelled the end of the Piast dynasty in the Kingdom of Poland. After Casimir's death in 1370, she remarried Rupert I of Legnica.
- Occupation
- aristocrat
- Position held
- Queen Consort of Poland
- Born
- 1340
- Died
- March 27, 1390