Euphrosyne of Opole
|Euphrosyne of Opole|
|Born||between 1228 and 1230|
|Died||4 November 1292
|Noble family||House of Piast|
|Spouse(s)||Casimir I of Kuyavia
Mestwin II, Duke of Pomerania
|Father||Casimir I of Opole|
|Mother||Viola, Duchess of Opole|
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.
Euphrosyne's first marriage was to her distant cousin Casimir I of Kuyavia. The couple married in 1257 when Euphrosyne was at most twenty-nine years of age. Casimir already had two sons: Ziemomysł of Kuyavia and Leszek II the Black from his first marriage to Constance of Silesia.
Euphrosyne and Casimir had four children, three sons and one daughter:
- Władysław I the Elbow-high (1261 – 2 March 1333), King of Poland (1320–1333)
- Casimir (1261/62 – 10 June 1294), killed while in battle in Lithuania
- Siemowit (1262/67–1309/14), Duke of Kuyavia-Brieg, married Anastasia of Galicia (daughter of Lev I of Galicia)
- Euphemia (died 18 March 1308), married Yuri I of Galicia
According to chronicles, Euphrosyne wished for her sons to inherit the lands of their father, but they would not inherit because of their two elder half-brothers. Euphrosyne wanted to poison her two stepsons so that her own sons could inherit Casimir's lands. This plot would explain a revolt of the two boys against their father, Casimir.
On 14 December 1267 Casimir died, leaving Euphrosyne a widow with four young children, plus two stepsons. She acted as regent  for the boys. During her regency, there was a dispute with the Knights of the Teutonic Order and a land problem with Bolesław the Pious.
Eventually her sons and stepsons came of age and were able to rule their lands themselves. Euphroyne married for a second time to Mestwin II, Duke of Pomerania in 1275. He had already been married to Judith of Wettin and had had two daughters: Euphemia and Catherine. It was unlikely the marriage was to produce children since Euphroyne was in her late forties at the time. After thirteen years of childless marriage, they divorced so Mestwin could remarry and possibly have more children.
Euphroyne returned to Kujavia and lived out the rest of her days in Brześć Kujawski where she died on 4 November 1292 and was buried.
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|Ancestors of Euphrosyne of Opole|
- "Viola genere et natione Bulgara, Ducissa de Opole, moritur"
- This theory was debatable, because almost all the known sources stated that Queen Marguerite, after the premature and difficult childbirth of her only son from her first marriage in 1177, remained unable to bear any other children.
- SILESIA, Medieval Lands