Leszek II the Black

Parents

• Constance of Wrocław
• Casimir I of Kuyavia

Children

Siblings

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

Partners

• Gryfina of Halych