Duke of Masovia was a title born 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 the eldest, who was to be High Duke of all Poland. This was known as the fragmentation of Poland. Subsequent developments lead to further splintering of the duchies. The following ...
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, ruler over Rawa, Płock, Sochaczew, Gostynin, Płońsk and Wizna, since 1386 hereditary Polish vassal, since 1388 ruler over Belz, during 1382 ...
Duke Konrad I of Masovia put out the call and the knights entered Poland in 1226. The First War of Lubusz. Henry resigned his claim to Kraków because Margrave Konrad II of Lusatia seized Lubusz Land. Duke Władysław III gained possession of Lubusz in 1206, but lost it soon after.
Duke Ernest and Cimburgis of Masovia Antoni Boys (called Anton Waiss): Cymburgis of Masovia, historicizing painting, between 1579 and 1587 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.
Konrad I of Masovia (Polish: Konrad I Mazowiecki) (ca. 1187/88 – 31 August 1247), from the Polish Piast dynasty, was the sixth Duke of Masovia and Kujawy from 1194 until his death as well as High Duke of Poland from 1229 to 1232 and again from 1241 to 1243.
Sep 18, 2020 · He was the second son of Siemowit III, Duke of Masovia and his first wife Euphemia, daughter of Nicholas II of Opava. ZIEMOWIT (before 1352-5 Dec 1425). He succeeded as Prince of Plock and Kujavia.
In the war which broke out in 1431 between Poland and Švitrigaila, the Dukes of Masovia chose the Polish side, and Siemowit V took the whole command over the Polish troops. The campaign was a great success and ended with the signing of a truce on 2 September 1431.
The first documented Polish monarch was Duke Mieszko I (c. 930–992). The Piasts' royal rule in Poland ended in 1370 with the death of king Casimir III the Great . Branches of the Piast dynasty continued to rule in the Duchy of Masovia and in the Duchies of Silesia until the last male Silesian Piast died in 1675.
Casimir I the Restorer (Polish: Kazimierz I Odnowiciel; 25 July 1016 – 28 November 1058), was a Duke of Poland of the Piast dynasty and the de facto monarch of the entire country. He is known as the Restorer mostly because he managed to reunite all parts of Poland after a period of turmoil and attached Masovia, Silesia and Pomerania.
Traidenis (Polish: Trojden, Belarusian: Трайдзень) (died 1282) was the Grand Duke of Lithuania from 1270 (or 1269) till 1282. He is the second most prominent, after Mindaugas, Grand Duke of Lithuania in the 13th century.