prince Boleslaus I of Mazovia

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prince Boleslaus I of Mazovia

Lithuanian: kun. Boleslavas I Mazovietis, Polish: ks. Bolesław I Mazowiecki
Birthdate:
Death: after February 25, 1248
Immediate Family:

Son of Konrad I of Masovia and Agafia of Rus (княгиня Мазовецкая Агафья Святославовна Рюрикович)
Husband of Gertruda wrocławska and Anastasia of Belz
Brother of Kazimierz Kujawski; Siemowit I; Eudoxia of Mazovia; Ludmila daughter of Konrad; Judyta mazowiecka von Schlesien and 4 others

Occupation: książę / Duke of Sandomierz (he reigned over part of the duchy) from 1229 to 1232. In 1233 he became the Duke Northern Masovia and in 1247 he inherited all of the Duchy of Masovia.
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About prince Boleslaus I of Mazovia

Bolesław I mazowiecki (sandomierski) (ur. ok. 1208, zm. po 25 lutego w 1248) – książę sandomierski 1229-1232 (nad częścią księstwa), od 1233 w północnym Mazowszu (na północ od Bugu i Wisły, także w Dobrzyniu), od 1247 w całym Mazowszu prawobrzeżnym. http://pl.wikipedia.org/wiki/Boles%C5%82aw_I_mazowiecki

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