Sophia of Masovia [SEP] father
Sophia of Masovia
Sophia of Masovia (1497/1498 - before 11 March 1543 ) was a Princess of Masovia, daughter of Konrad III Rudy, Duke of Masovia and his wife Anna Radziwiłł. She was a member of the House of Piast.
On 17 September 1520 in Warsaw, Sophia was married by proxy to Stephen VII Báthory. On 17 January 1521, Sophia and her entourage went to Hungary, where in February there was a formal marriage. The couple had three children: Anna, Stephen and Klara; however,
Sophie of Pomerania, Duchess of Pomerania
Sophia of Pomerania-Stolp (1435 – 24 August 1497), was a Duchess of Pomerania by birth, and married to Eric II, Duke of Pomerania. 
Sophia was the daughter of Bogislaw IX, Duke of Pomerania and Maria of Masovia. In 1446, her father died and was succeeded by his cousin, Eric of Pomerania, former King of Denmark, Norway and Sweden. Sophia became the heir of Eric of Pomerania's private fortune. 
In 1451, Sophia was