Siemowit, Duke of Kuyavia-Brieg

Peerage person ID=114664 (1265–1306)

Parents

• Euphrosyne of Opole
• Casimir I of Kuyavia

Children

• Bolesław of Dobrzyń
• Władysław of Dobrzyń
• Leszek of Dobrzyń

Siblings

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

Partners

• Anastasia of Galicia