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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 ...
Hedwig of Masovia (Polish: Jadwiga mazowiecka, Hungarian: Hedvig mazóviai hercegnő; ca. 1392 – after 19 February 1439), was a Polish princess, member of the House of Piast in the Masovian branch. She was the eldest daughter of Siemowit IV, Duke of Masovia and Alexandra , a daughter of Algirdas , Grand Duke of Lithuania and sister of King ...
Siemowit III Piast of Halych, Duke of Masovia, was born circa 1320 to Trojden I of Masovia (c1285-1341) and Maria Yuryevna of Halych (c1292-1341) and died 16 June 1381 of unspecified causes. He married Euphemia of Troppau (c1320-1352) 1335 JL . He married Anna of Ziębice . Siemowit III of Masovia (his name also rendered Ziemowit; c. 1320 – 1381) was a prince of Masovia and a co-regent (with ...
Konrad I of Masovia. Konrad I of Masovia (ca. 1187/88 [1] – 31 August 1247), from the Polish Piast dynasty, was the sixth Duke of Masovia and Kuyavia from 1194 until his death as well as High Duke of Poland from 1229 to 1232 and again from 1241 to 1243.
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 ...
