Casimir III of Płock Kazmierz von Masowien
Polish noble
- Sex or Gender:
- male
- Date of Birth:
- 1440-01-01
- Date of Death:
- 1480-06-09
- Place of Death:
- Pułtusk
- Country of citizenship:
- Poland
- Father:
- Bolesław IV of Warsaw
- Mother:
- Barbara Olelkówna
- Occupation:
- Catholic priest
