Bolesław II of Masovia

Duke of Masovia (1251–1313)

Parents

• Pereiaslawa of Galicia
• Siemowit I of Masovia

Children

• Euphrosyne of Masovia
• Anna of Mazovia
• Trojden I, Duke of Masovia
• Siemowit II of Masovia
• Wenceslaus of Płock

Siblings

• Konrad II of Masovia

Partners

• Gaudemunda of Lithuania
• Kunigunde of Bohemia