Janusz I Of Warsaw
| Use attributes for filter ! | |
| Gender | Male |
|---|---|
| Date of died | December 8,1429 |
| Died | Czersk |
| Poland | |
| Spouse | Danutė of Lithuania |
| Parents | Siemowit III, Duke of Masovia |
| Children | Bolesław Januszowic |
| Janusz the Younger | |
| Konrad Januszowic | |
| Siblings | Siemowit IV, Duke of Masovia |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1476025 |
Janusz I Of Warsaw Life story
Janusz I of Warsaw, also known as Janusz I the Old, was a Polish prince member of the House of Piast in the Masovian branch, from 1373/74 Duke of Warsaw and after the division of the paternal inheritance between him and his brother in 1381, ruler over Nur, Łomża, Liw, Ciechanów, Wyszogród and Zakroczym.
