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Sep 7, 2023 · Boleslaw II of Masovia or Boleslaw II of Płock (ca. 1251 – 20 April 1313). He was the younger brother Konrad II of Masovia and son of Siemowit I of Masovia. His mother was Pereyaslava [1], daughter of Daniel of Galicia. Boleslaus became Duke of Masovia in 1262. In 1275, he shared Masovia with his brother and he became Duke of Płock.
Apr 27, 2022 · Siemowit IV died on 21 January 1426 at Gostynin and was buried in the Ducal crypt at Płock Cathedral. Siemowit IV (also known as Ziemowit IV) (b. ca. 1353/1356 [1], d. January 21, 1426 [2]) was one of the Dukes of Masovia. His domain included the lands of Czersk, Rawa, Sochaczew, Płock and Gostynin.
Apr 27, 2022 · Trojden I of Masovia (1284 or 86 -13 March 1341) was a member of the House of Piast. He was Duke of Czersk from 1310. From 1336 to 1340 he was Regent the Duchy of Płock. He eventually became Duke of Masovia.
Leszek of Masovia ( Polish: Leszek, also Lestek; b. ca. 1162 - d. 1186) was a Polish prince from the Piast dynasty, the Duke of Masovia from 1173 until his death. He was the only son of Bolesław IV the Curly, Duke of Masovia and High Prince of Poland, to survive his father. After his father's death he inherited Masovia.
Konrad II of Masovia. Konrad II of Czersk (pl: Konrad II czerski; c. 1250 – 24 June/21 October 1294 [1] ), was a Polish prince member of the House of Piast, Duke of Masovia during 1264-1275 jointly with his brother, after 1275 sole ruler over Czersk and Duke of Sandomierz during 1289. He was the eldest son of Siemowit I of Masovia and ...
May 25, 2023 · Life. She was the sixth daughter of Siemowit IV, Duke of Masovia and Alexandra, a daughter of Algirdas, Grand Duke of Lithuania and sister of King Władysław II Jagiełło of Poland. In Poznań on 24 June 1432, Maria married Bogislaw IX, Duke of Pomerania-Wolgast-Słupsk in Stargard, first cousin and heir designated of Eric of Pomerania, King ...
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.
