Margaret of Hungary (saint)

Margaret of Hungary, OP (27 January 1242 – 18 January 1270) was a Dominican nun and the daughter of King Béla IV of Hungary and Maria Laskarina. She was the younger sister of Kinga of Poland (Kunegunda) and Yolanda of Poland and, through her father, the niece of the famed Elizabeth of Hungary. She also had an older sister with the same name, who died before she was born.