Elisabeth_of_Cieszyn
Elisabeth of Cieszyn (Polish: Elżbieta cieszyńska; after 1340? – after 20 January 1364), was a Polish princess, member of the Piast dynasty in the Cieszyn branch.
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She was the fourth daughter and youngest child of Casimir I, Duke of Cieszyn, by his wife Euphemia, daughter of Duke Trojden I of Czersk-Warsaw.