Tags: Noble.
Konrad III Rudy (Konrad III the Red or Konrad III of Masovia) (1448 – 28 October 1503) was a Polish Duke of Masovia.He reunited most of Masovia still not controlled by Kingdom of Poland including Płock Płońsk Czersk Wyszogród and Warsaw.Son of Bolesław IV Warszawski married to Anna Radziwiłł father of the last Masovian Piasts: Janusz (1503–1526) Stanisław (1500–1524) Anna (1498–1557). By his wife he had another daughter Sophia who married Stephen VII Báthory.
