feudatory
Bolesław III of Masovia.
Polish prince member of the House of Piast, Duke of Płock since 1336 (under regency until 1340), ruler over Wizna and Sochaczew since 1345, formally a vassal of the Kingdom of Bohemia during all his reign
The journal
Open the journal →The conversation starts in the journal — be the first to post.
About Bolesław III of Masovia
Bolesław III of Płock, was a Polish prince member of the House of Piast, Duke of Płock since 1336, ruler over Wizna and Sochaczew since 1345, formally a vassal of the Kingdom of Bohemia during all his reign.
Everything about Bolesław III of Masovia →- Occupation
- feudatory, ruler
- Born
- 1320
- Died
- August 20, 1351