Euphrosyne of Masovia
Member of the Piast dynasty ‧ Kunigunde of Bohemia's daughter
Euphrosyne of Masovia also known as Eufrozja was Duchess of Oświęcim by her marriage.
Euphrosyne was the daughter of Boleslaus II of Masovia, Prince of Plock and his second wife Kunigunde, daughter of Ottokar II of Bohemia. The genesis of her name... Wikipedia
Born: 1292
Died: 1327 (age 35 years)
Grandchild: Jan II of Oświęcim
Grandparents: Ottokar II of Bohemia, Kunigunda of Halych, Siemowit I of Masovia, and more
Children: Jan I the Scholastic
Partner: Władysław of Oświęcim
Parents: Kunigunde of Bohemia and Bolesław II of Masovia