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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.
Euphemia of Masovia (Polish: Eufemia mazowiecka; 1395/97 [1] – 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.
Sep 23, 2023 · Birthdate: between 1395 and 1396. Birthplace: Sochaczew, Warszawa, Warszawa, Mazowia, Poland. Death: between July 25, 1447 and September 17, 1447 (50-52) Immediate Family: Daughter of Siemowit IV, duke of Masovia and Alexandra of Lithuania. Wife of Bolko (Boleslaw) I, Duke of Teschen & Auschwitz.
- Warszawa, Mazowia
- "Ofka", "Euphemia of Masovia"
- Mazowia
- between 1395 and 1396
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
Trojden I, Duke of Masovia. Dukes of Masovia, c. 1450, Trojden I is second from left. Trojden I (1284/86 [1] – 13 March 1341) was a Polish prince, Duke of Czersk from 1310, ruler over Warsaw and Liw from 1313, and regent of Płock in the years 1336–1340. He was a member of the House of Piast.
Siemowit III of Masovia (alternatively Ziemowit III; c. 1320 – 1381) was a prince of Masovia and a co-regent (with his brother Casimir I of Warsaw) of the lands of Warsaw, Czersk, Rawa, Gostynin and other parts of Masovia.
