Title History
- 0800-01-01:Piast Inherited
- 0861-01-01:Siemowit Inherited
- 0867-09-20:Wawrzyniec Inherited
- 0891-01-31:Świętopełk Inherited
- 0943-02-04:Radomil revoked
- 0943-02-12:Trojden granted
- 0981-02-27:Trojden Inherited
- 1007-02-19:Zbigniew Inherited
- 1012-11-13:Krystyna Inherited
- 1037-04-19:Radomil revoked
- 1047-02-05:Dytryk Inherited