"Helmina von Chézy (26 January 1783 – 28 February 1856), née Wilhelmine Christiane von Klencke, was a German journalist, poet and playwright. She is known for writing the libretto for Carl Maria von Weber's opera Euryanthe (1823) and the play Rosamunde, for which Franz Schubert composed incidental music." - (en.wikipedia.org 12.08.2021)
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