Boleslaw I Prince of Mazovia
Birth:
1208
of Czersk, Bydgoszcz, Poland
Death:
Aft 25 Feb 1248
Individual Information  
FCID:4365:4198      
Parents
Father:
Konrad I, Prince of Mazovia
Mother: Agafiya Svyatoslavich Princess of Vladimir Volynsk
Marriage(s)
Family Group
Gertruda Princess of Silesia
md. Bef 1235
  Children
Family Group
Anastazja Princess of Belz
md. Aft Apr 1244
  Children