Bolesław I of Masovia

Parents

• Agafia of Rus
• Konrad I of Masovia

Children

Siblings

• Judith of Masovia
• Siemowit I of Masovia
• Casimir I of Kuyavia
• Eudoxia of Masovia
• Dubrawka of Masovia

Partners

• Gertrud of Wroclaw
• Anastasia of Bielsko