Ziemowit Piast
Książę czerski og mazowiecki
- Born circa 1228
- Deceased on June 23, 1262, at the approximate age of 33 years
Parents
- Konrad Piast, Książę krakowski
- Agafia (Rurikides) ( - aft. 1247)
Family
- Married with Prejaslawa (Rurikides) ( - 1283), issuing