Euphrosyne of Opole
| Euphrosyne of Opole | |
|---|---|
| Spouse(s) |
Casimir I of Kuyavia Mestwin II, Duke of Pomerania |
| Noble family | House of Piast |
| Father | Casimir I of Opole |
| Mother | Viola, Duchess of Opole |
| Born | between 1228 and 1230 |
| Died | 4 November 1292 Brześć Kujawski |
Euphrosyne of Opole (Polish: Eufrozyna opolska, Ukrainian: Єфросінія, translit. Фрося, Yefrosinia) (1228/30 – 4 November 1292) was a daughter of Casimir I of Opole and his wife Viola, Duchess of Opole. She was a member of the House of Piast and became Duchess of Kujavia from her first marriage and Duchess of Pomerania from her second marriage.
Euphrosyne's paternal grandparents were Mieszko I Tanglefoot and his wife Ludmilla, a disputed Bohemian princess from the Přemyslid dynasty. Mieszko was son of Władysław II the Exile, Duke of High Poland and his wife Agnes of Babenberg. Agnes was daughter of Leopold III, Margrave of Austria and his wife Agnes of Germany, who was a daughter of Henry IV, Holy Roman Emperor and his first wife Bertha of Savoy.
Euphrosyne's maternal family are disputed. Some believe her mother, Viola was a Bulgarian princess, daughter of either Kaloyan of Bulgaria or his successor Boril of Bulgaria. Boril was married to a Cuman women named Anna. The historian J. Horwat put forward another hypothesis, under which Viola could be an Hungarian princess, daughter of King Béla III (from his second marriage with Marguerite of France), or his son and successor Emeric. Today, the opinion prevails that Viola's origins are considered unknown.
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