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Apr 23, 2024 · Knyaz (Prince, Duke) Nationality: pole. Cemetery: 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.
Duke Ernest and Cimburgis of Masovia. Ernest has an important place in the history of the dynasty for two reasons: in 1414 Ernest first refers to himself as archduke in a document. He is thus the first member of the family to bear this title, which had been usurped by his uncle Rudolf IV. The Early Modern Habsburg rulers descend from Ernest and ...
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 Rawa, Płock ...
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 ...
Bolesław II of Masovia or Bolesław II of Płock (pl: Bolesław II mazowiecki (płocki); ca. 1253/58 – 20 April 1313), was a Polish prince, member of the House of Piast, Duke of Masovia during 1262-1275 jointly with his brother, after 1275 sole ruler over Płock, after 1294 ruler over all Masovia and Duke of Kraków and Sandomierz during 1288-1289.
Name in native language. Konrad I Mazowiecki. Date of birth. 1187 (statement with Gregorian date earlier than 1584), 1187. Prussia. Date of death. 31 August 1247. Prussia. Place of burial.
