Maria of Masovia (pl: Maria mazowiecka; 1408/15–14 February 1454) was a Duchess of Pomerania by marriage to Bogislaw IX, Duke of Pomerania, and regent of Pomerania from 1446 to 1449.
Margaret of Masovia Polish: Małgorzata (before 1358 – 14 May 1388/4 April 1396) was Duchess of Pomerania and Brzeg, by her marriages to Casimir IV, Duke of Pomerania and then to Henry VII of Brzeg. She was a member of the House of Piast. Margaret was a daughter of Siemowit III of Masovia and his wife Euphemia of Opawa
Maria of Masovia. Daughter of Ziemowit von Masowien, Prince of Plock and Kujavia and Alexandra of Lithuania ; Maria (birth between 1408 and 1415 , d. 14 February 1454 ) - Mazowsze princess, the Duchess of Slupsk and Stargard dynasty Piast
- Aleksandra słupska, ?, Sophia of Pomerania-Stolp
- Aleksandra of Lithuania, Siemowit IV of Masovia, duke
Duke of Masovia (Polish: Książę Mazowsza) 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.
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 ...
Siemowit was the second son of Trojden I of Masovia and his wife Maria, daughter of Yuri I of Galicia. In 1341, following the death of their father and brother, Siemowit and his younger brother Casimir inherited the Duchy of Czersk .
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.
Trojden I (1284/86 – 13 March 1341), was a Polish prince member of the House of Piast, Duke of Czersk since 1310, ruler over Warsaw and Liw since 1313, regent of Płock during 1336–1340.
Cymburgis of Masovia (German: Cimburgis von Masowien), also Zimburgis or Cimburga (Polish: Cymbarka mazowiecka; 1394 or 1397 – 28 September 1429), a member of the Polish Piast dynasty, was Duchess of Austria from 1412 until 1424, by her marriage with the Habsburg duke Ernest the Iron.