Konrad I of Masovia
1187 –August 31, 1247
Politician
Lived 60 years
- Born in
- Prussia
- Passed away in
- Prussia
Konrad I of Masovia (ca. 1187/1188 – 31 August 1247), from the Polish Piast dynasty, was the sixth Duke of Masovia and Kuyavia from 1194 until his death as well as High Duke of Poland from 1229 to 1232 and from 1241 to 1243.
Source: Wikipedia — https://en.wikipedia.org/wiki/Konrad_I_of_Masovia