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Euphemia of Masovia (Polish: Eufemia mazowiecka; 1395/97 – before 17 September 1447), was Duchess of Cieszyn by marriage to Bolesław I, Duke of Cieszyn, and regent of the Duchy of Cieszyn during the minority of her sons from 1431.
Apr 28, 2022 · Opava, Opava, Czechoslovakia. Immediate Family: Daughter of Nicolaus av Schlesien-Troppau, II and Anna von Ratibor. Wife of Prince Siemovit of Mazovia. Mother of Anna; Eufemija Siemovitaitė; prince Janos I "The Older" Piast of Masovia; Siemowit IV, duke of Masovia and Margaret of Masovia.
- Prince Siemovit of Mazovia
Apr 27, 2022 · He was the second son of Siemowit III, Duke of Masovia and his first wife Euphemia, daughter of Nicholas II of Opava. ZIEMOWIT (before 1352-5 Dec 1425). He succeeded as Prince of Plock and Kujavia.
- Czersk, Mazowieckie
- Alexandra of Lithuania
- Mazowieckie
- "Ziemowit IV Młodszy"
Apr 30, 2020 · Eufemia Mazowiecka. Also Known As: "Euphemia of Mazovia", "Euphemia of Masovia". Birthdate: circa 1310. Birthplace: Sochaczew, PO. Death: 1364 (49-58) Teschen, Czechoslovakia.
On 20 November 1412, Bolesław married secondly Euphemia (Ofka) (b. 1395/98 – d. bef. 17 September 1447), daughter of Duke Siemowit IV of Masovia. They had five children: They had five children: Alexandra (b. ca. 1412 – d. aft. 6 October 1463), married to László Garai , Palatine and Ban of Macsó .
- c. 1363
- Silesian Piast
- 6 May 1431
Euphemia (1312 – ca. 11 January 1374), married Casimir I, Duke of Cieszyn. Siemowit III (1316/25 – 16 June 1381), Duke of Masovia. Casimir I (1329/31 – 26 November/5 December 1355).
Euphemia von OPAVA was born about 1320 in Opava, North Moravia, Czech Republic. She was married in the year 1335 to Siemowit von MASOVIA, they had 5 children. She died in the year 1352. This information is part of Ancestral Trails 2016 by Patti Lee Salter on Genealogy Online.
