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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.
RulerRulerBornReign1093 Ehingen Daughter of Henry, Count of ...28 October 1138 – 27 July 1144Duchy of Masovia (at Łęczyca)1122 Third son of Boleslaus III of Poland ...28 October 1138 – 5 January 1173Regency of Casimir II of Poland ...Regency of Casimir II of Poland ...Regency of Casimir II of Poland ...Regency of Casimir II of Poland ...1162 Son of Boleslaus IV of Poland and ...5 January 1173 – 1186Duchy of Masovia of Bolesław IV composed of Masovia and Eastern Kuyavia. Following the death of Duke Bolesław III Wrymouth in 1138, as specified by his testament, the Masovian province was governed by his second son Bolesław IV the Curly, who, after he had expelled his elder half-brother Władysław II, in 1146 became Duke of Poland.
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Konrad was the youngest son of High Duke Casimir II the Just of Poland and Helen of Znojmo, daughter of the Přemyslid duke Conrad II of Znojmo (ruler of the Znojmo Appanage in southern Moravia, part of Duchy of Bohemia). His maternal grandmother was Maria of Serbia, apparently a daughter of the pre-Nemanjić župan Uroš I of Rascia. After his father'...
Around 1208/1209 Konrad married Agafia of Rus, daughter of Prince Svyatoslav III Igorevich. They had ten children: 1. Bolesław I(c. 1210 – 17 April 1248), Duke of Masovia 2. Casimir I (c. 1210/13 – 14 December 1267), Duke of Kuyavia 3. Siemowit I (c. 1215 – 24 June 1262),succeeded eldest brother as Duke of Masovia. 4. Eudoxia (b. c. 1215–1225), mar...
Konrad is considered by Poles to be responsible for Teutonic Knights' control of most of the Baltic coastline, undermining Polish authority in the area. King Casimir III of Poland had to accept the rule of the Order in Thorn and Kulm by the 1343 Treaty of Kalisz. After the Thirteen Years' War in the 1466 Second Peace of Thorn, the Polish King Casim...
Bojtar, Endre (1999). Foreword to the Past: A Cultural History of the Baltic People. Central University Press.Boockmann, Hartmut (1992). Deutsche Geschichte im Osten Europas. Ostpreußen und Westpreußen(in German). Berlin.Bruce-Boswell, Alexander (1957). "Poland, 1050-1303". In Tanner, J.R.; Previte-Orton, C.W.; Brooke, Z.N. (eds.). The Cambridge Medieval History: Victory of the Papacy. Vol. 6. Cambridge at the Univ...Corwin, Edward Henry Lewinski (1917). The Political History of Poland. The Polish Book Importing Company.Catholic Encyclopedia Innocent III resolved (1207) to organize a new crusade...Instead of concentrating the forces of Christendom against the Mohammedans, the pope himself disbanded them by proclai...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.
Nov 13, 2022 · Duchy of Masovia. Masovian Voivodeship, Poland. 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.
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 first Duke of Masovia was Boleslaus I the Curly, who was succeeded by his sons, Leszek I the White and Konrad I of Masovia. However, the death of Konrad I marked the beginning of a turbulent period for the Duchy, as power struggles and outside invasions weakened the Piast Dynasty's hold on the region.
