Aleksander Mazowiecki

Parents

• Alexandra of Lithuania
• Siemowit IV

Children

Siblings

• Cymburgis of Masovia
• Trojden II of Płock
• Jadwiga of Masovia
• Amelia of Masovia
• Casimir II of Masovia
• Catherine of Masovia
• Władysław I of Masovia
• Anna of Masovia
• Maria of Masovia
• Siemowit V of Masovia
• Euphemia of Masovia