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Agafia of Rus. Siemowit I of Masovia ( Polish: Siemowit (Ziemowit) I mazowiecki) (d. 23 June 1262), was a Polish prince member of the House of Piast, Duke of Czersk during 1247–1248, Duke of Masovia (except Dobrzyń) during 1248–1262, ruler over Sieradz during 1259–1260. He was the sixth son of Konrad I of Masovia and his wife Agafia of ...
Henry of Masovia. Father. Trojden I of Masovia. Mother. Maria of Galicia. Administrative division of Masovia (1313-1345) Siemowit III of Masovia (alternatively Ziemowit III; c. 1320 – 1381) was a prince of Masovia and a co-regent (with his brother Casimir I of Warsaw) of the lands of Warsaw, Czersk, Rawa, Gostynin and other parts of Masovia.
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 ...
Date of birth: 1389 (statement with Gregorian date earlier than 1584) Date of death: 16 February 1442 Rawa Mazowiecka: Noble title
Duchy of Masovia [a] was a district principality and a fiefdom of the Kingdom of Poland, existing during the Middle Ages. [1] [2] The state was centered in Mazovia in the northeastern Kingdom of Poland, and during its existence, its capital was located in the Płock, Czersk and Warsaw. It was formed in 1138 from the territories of the Kingdom ...
the text in this section is copied from an article in Wikipedia. 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, ruler over ...
Set cemetery. Siemowit IV (also known as Ziemowit IV) (ca. 1353/1356 – 21 January 1426) was one of the Dukes of Masovia of the old Polish Piast royal family. His domain included the lands of Czersk, Rawa, Sochaczew, Płock and Gostynin. In 1381 he inherited Wisz and in 1387 Bełz. Siemowit IV was the younger son of Siemowit III of Piast ...
