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Agafia of Rus. Bolesław I of Masovia ( Polish: Bolesław I Mazowiecki; 1208 – ca. 25 February 1248), was Polish prince member of the Polish House of Piast, Duke of Sandomierz (only a part) during 1229-1232, Duke of Dobrzyń during 1233-1247 and Duke over whole Masovia during 1247-1248. He was the second son of Konrad I of Masovia and Agafia ...
- 1208
- Gertrude of Silesia, Anastasia Alexandrovna of Belz
- ca. 25 February 1248
- Piast dynasty
Apr 18, 2024 · Bolesław II (born 1039—died 1081) was a duke (1058–76) and later king (1076–79) of Poland. Bolesław assumed the rule of Poland on the death of his father, Casimir I the Restorer, in 1058. During the struggle between the German kings and the papacy, Bolesław was able to restore the international position of Poland.
- The Editors of Encyclopaedia Britannica
Bolesław I of Masovia , was Polish prince member of the Polish House of Piast, Duke of Sandomierz during 1229–1232, Duke of Dobrzyń during 1233-1247 and Duke over whole Masovia during 1247–1248.
Son of Bolesław I. 1329: Waclaw I becomes a vassal of Bohemia. 1336 - 1351: Bolesław III: 1340: Bolesław III becomes a vassal of Bohemia. Following his death his lands are sub-divided between the other Mazovian possessions and Poland proper. 1341 - 1381: Ziemowit III / Siemowit III: Brother of Kazimierz of Czersk. Duke of Mazovia.
Casimir I the Restorer ( Polish: Kazimierz I Odnowiciel; 25 July 1016 – 19 March 1058), a member of the Piast dynasty, was the duke of Poland from 1040 until his death. Casimir was the son of Mieszko II Lambert and Richeza of Lotharingia. He is known as the Restorer because he managed to reunite parts of the Kingdom of Poland after a period ...
Bolesław II of Masovia. Boleslaw II of Płock; High Duke Supreme Prince; ca. 1251 – 20 April 1313 ... occupied at the time by Mieczysław Rakowski, ceased to hold ...
Nov 13, 2022 · Duchy of Masovia. During the 9th century Mazovia was perhaps inhabited by the tribe of Mazovians, and it was incorporated into the Polish state in the second half of 10th century under the Piast ruler Mieszko I. As a result of the fragmentation of Poland after the death of Polish monarch Bolesław III Wrymouth, in 1138 the Duchy of Mazovia was ...
