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Siemowit IV Piast of Mazovia was born circa 1353 to Siemowit III of Masovia (c1320-1381) and Euphemia of Troppau (c1320-1352) and died circa 21 January 1426 of unspecified causes. He married Alexandra of Lithuania (c1368-1434) 1387 JL . Siemowit IV (also known as Ziemowit IV) (ca. 1353/1356[1] – 21 January 1426[2]) was one of the Dukes of Mazovia of the old Polish Piast royal family. His ...
Siemowit V of Rawa (pl: Siemowit V rawski; 1389 - 17 February 1442), was a Polish prince member of the House of Piast from the Masovian branch. He was a Duke of Rawa Mazowiecka, Płock, Sochaczew, Gostynin, Płońsk, Wizna and Belz during 1426-1434 jointly with his brothers, and after the division of the paternal inheritance between him and his brothers in 1434, sole ruler over Rawa Mazowiecka ...
Siemowit II of Masovia (1283–1345), son of Boleslaus II of Masovia and his first wife Sophie; Siemowit III of Masovia (ca. 1320–1381), son of Trojden I of Masovia and his wife Maria; Siemowit IV of Masovia (ca. 1352–1425 or 1426), son of Siemowit III and his wife Euphemia; Siemowit V of Masovia (1388–1442), son of Siemowit IV and his ...
Duke of Masovia (Polish: Książę Mazowsza) was a title borne by the sons and descendants of the Polish Duke Bolesław III Wrymouth. In accordance with the last will and testament of Bolesław, upon his death his lands were divided into four to five hereditary provinces distributed among his sons, and a royal province of Kraków reserved for ...
Margaret was a daughter of Siemowit III of Masovia and his wife Euphemia of Opawa. Her paternal grandparents were Trojden I of Masovia and his wife Maria, daughter of Yuri I of Galicia and Euphemia of Kuyavia. Life. In 1369 Margaret married her first husband Casimir IV, Duke of Pomerania, son of Bogislaw V, Duke of Pomerania and Elizabeth of ...
Siemowit IV, Duke of Masovia. Siemowit IV (Ziemowit IV), also known as Siemowit IV the Younger (pl: Siemowit IV Młodszy; ca. 1353/1356 – 21 January 1426), was a Polish prince member of the House of Piast from the Masovian branch, from 1373/74 Duke of Rawa, and after the division of the paternal inheritance between him and his brother in 1381 ...
Prince Siemowit Piast of Masovia IV Birth 1352 Death 21 Jan 1426 (aged 73–74) Gostynin, Powiat gostyniński, Mazowieckie, Poland Burial. Płock Cathedral.
