Katarzyna Telniczanka
Katarzyna Telniczanka, was a Polish noble. She was the royal mistress of king Sigismund I the Old, and the mother of three children by the monarch.Life
In c. 1498, she became the mistress of the king.
She became the mother of John Jagiellon, Bishop of Poznań, Regina, wed ca. 20 October 1518 Hieronim Szafraniec, Starost of Cieszyn, and Katarzyna, wed after 1522 George II Count von Montfort in Pfannberg.
In 1509, she married the nobleman Andrzej Kościelecki. She had one child while married, Beata Łaska z Kościeleckich, who was reputed to be the child of the king as well.
She followed her son John to his position in Lithuania, where she had great influence in his court.
