Casimir I of Kuyavia

Polish prince (c. 1211 – 1267) (1211–1267)

Parents

• Agafia of Rus
• Konrad I of Masovia

Children

• Leszek II the Black
• Euphemia of Kuyavia
• Ziemomysł of Kuyavia
• Casimir II of Łęczyca
• Siemowit, Duke of Kuyavia-Brieg
• Władysław I the Elbow-high

Siblings

• Judith of Masovia
• Siemowit I of Masovia
• Bolesław I of Masovia
• Eudoxia of Masovia
• Dubrawka of Masovia

Partners

• Constance of Wrocław
• Euphrosyne of Opole
• Jadwiga