Catherine of Masovia › Siblings
Cymburgis of Masovia
Maria of Masovia
Euphemia of Masovia
Hedwig of Masovia
Amelia of Masovia
Catherine of Masovia (1413/16 – between 2 June 1479 and 5 July 1480) was a Polish princess member of the House of Piast in the Masovian branch. She was the eighth and youngest daug... Wikipedia