Nielsen Hayden genealogy
Family: Casimir I of Silesia / Euphemia of Masovia (F13381)
m. Between 1321 and 1324-
Male
Casimir I of Silesia
Birth Between 1276 and 1280 Death Aft 21 Sep 1358 Burial Cieszyn, Silesia, Poland Marriage Between 1321 and 1324 [1, 2] Father Mieszko I of Silesia | F17320 Group Sheet Mother (Unknown wife of Mieszko I of Silesia) | F17320 Group Sheet
Female
Euphemia of Masovia
Birth Abt 1310 Death Aft 1373 Burial Cieszyn, Silesia, Poland Father Trojden I of Masovia | F17324 Group Sheet Mother Marija Jurjewma of Halicz | F17324 Group Sheet
Female
+ Anna of Silesia
Birth Abt 1325 Death 1367 Burial Collegiate Church of the Holy Sepulchre, Legnica, Lower Silesia, Poland Spouse Wenzel I of Silesia | F13378 Marriage Between 1338 and 1340
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Sources - [S1480] The Ancestry of Charles II, King of England: A Medieval Heritage by Charles M. Hansen and Neil D. Thompson. Saline, Michigan: McNaughton and Gunn, 2012.
- [S49] Genealogics by Leo Van de Pas, continued by Ian Fettes and Leslie Mahler., "Bef 19 Aug 1324".
- [S1480] The Ancestry of Charles II, King of England: A Medieval Heritage by Charles M. Hansen and Neil D. Thompson. Saline, Michigan: McNaughton and Gunn, 2012.