List of Famous people with last name Masovia

Siemowit I of Masovia, was a Polish prince member of the House of Piast, Duke of Czersk during 1247-1248, Duke of Masovia during 1248-1262, ruler over Sieradz during 1259-1260.

Euphrosyne of Masovia also known as Eufrozja (1292–1328/1329) was Duchess of Oświęcim by her marriage.

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.

Janusz III of Masovia, was a Polish prince member of the House of Piast in the Masovian branch. He was a Duke of Czersk, Warsaw, Liw, Zakroczym and Nur during 1503-1524 jointly with his brother, and sole ruler during 1524-1526 as the last male member of the Masovian Piasts.

Siemowit II of Rawa, was a Polish prince member of the House of Piast, Duke of Warsaw and Liw during 1310-1313, after a new division with his brothers since 1313 ruler over Rawa Mazowiecka, Sochaczew, Zakroczym, Gostynin, Ciechanów and Wizna, regent of Płock during 1336–1340.

Casimir I of Warsaw, was a Polish prince member of the House of Piast, Duke of Czersk during 1341-1349 jointly with his brother, since 1345 ruler over Rawa Mazowiecka jointly with his brother, since 1349 sole ruler over Warsaw, since 1351 sole ruler over Sochaczew, Polish vassal since 1351.

Stanisław of Masovia, was a Polish prince member of the House of Piast in the Masovian branch. He was a Duke of Czersk, Warsaw, Liw, Zakroczym and Nur during 1503-1524 jointly with his brother.

Konrad II of Czersk, was a Polish prince member of the House of Piast, Duke of Masovia during 1264-1275 jointly with his brother, since 1275 sole ruler over Czersk and Duke of Sandomierz during 1289.

Bolesław III of Płock, was a Polish prince member of the House of Piast, Duke of Płock since 1336, ruler over Wizna and Sochaczew since 1345, formally a vassal of the Kingdom of Bohemia during all his reign.