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About Bolesław IV of Warsaw
Bolesław IV of Warsaw, was a Polish prince and member of the House of Piast in the Masovian branch. He was Duke of Warsaw during 1429–1454 and sovereign Duke of Podlachia in 1440–1444.
Everything about Bolesław IV of Warsaw →- Occupation
- feudatory
- Citizenship
- Poland
- Born
- 1421
- Died
- September 10, 1454