Konrad III Rudy, also known in English as Konrad the Red, was a Polish prince and member of the Piast dynasty in the Masovian branch. He was a duke of Czersk, Liw, Warsaw, Nur, Łomża, Ciechanów, Różan
Anna of Masovia was a Polish princess, Titular Duchess of Masovia and the last representative of the Masovian branch of the Piast dynasty.
Konrad III Rudy
…married firstly ca. 1521 to Stephen VII Báthory and secondly aft. 1530 to Ludwig Pekri. Sophia and Stephen were the grandparents of Elizabeth Báthory. Anna (1498/99 – aft. 26 January 1557), married in February 1536 to Stanisław Odrowąż of Sprowy. Stanisław (17 May 1501 – 8 August 1524…
Portrait, c. 1620–1640
The Last Masovian Piasts: Janusz (left), Stanisław (centre) and Anna (right)