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Konrad Januszowic (ca. 1400 - 9 December 1412 or 1413), was a Polish prince member of the House of Piast. He was the youngest son of Duke Janusz I of Warsaw and Danutė of Lithuania, a daughter of Kęstutis. Life
Konrad (ur. przed 1400, zm. prawdopodobnie 9 grudnia 1412 lub 1413) – przedstawiciel dynastii Piastów, najmłodszy syn księcia mazowieckiego Janusza I i Danuty Anny, córki księcia litewskiego Kiejstuta.
Konrad Januszowic (poln. Konrad Januszowic ; * vor 1400 ; † 1412 oder 1413 ) war ein Prinz in Masowien . Er entstammte dem Adelsgeschlecht der masowischen Piasten .
Apr 28, 2022 · Birthplace: Wyszogrod, Warszawa, Mazowia, Poland. Death: December 08, 1429 (76-85) Place of Burial: Basilica of St. George's Arch. John the Baptist in Warsaw. Immediate Family: Son of Prince Siemovit of Mazovia and Euphemia von Troppau. Husband of princess Danute of Lithuania.
- Mazowia
- Wyszogrod, Warszawa, Mazowia, Poland
- circa 1348
- December 08, 1429 (76-85)
Piast dynasty. The House of Piast was the first historical ruling dynasty of Poland. The first documented Polish monarch was Duke Mieszko I (c. 960 –992). The Piasts' royal rule in Poland ended in 1370 with the death of King Casimir III the Great.
Bolesław Januszowic (Polish: Bolesław Januszowic; 1385/86 – ca. 4 May 1424 [1]), was a Polish prince member of the House of Piast. He was the second son of Duke Janusz I of Warsaw and Danutė of Lithuania, a daughter of Kęstutis.
Research genealogy for Konrad Januszowic Piast, as well as other members of the Piast family, on Ancestry®.
