Leopold von Sonnleithner

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Leopold von Sonnleithner
Leopold von Sonnleithner.
Leopold Andreas Ignaz Sonnleithner

Other namesLeopold Edler von Sonnleithner
OccupationLawyer, composer
Known forFranz Schubert's friend

Leopold Andreas Ignaz Sonnleithner, (from 1828 Leopold Edler von Sonnleithner, born 15 November 1797 in Wien; died 3 March 1873) in Vienna, was an Austrian lawyer and a well-known personality of the Viennese Classical music scene. He was a friend and patron of Ludwig van Beethoven, Franz Schubert,[1] Franz Grillparzer, and Carl Czerny.


Leopold von Sonnleithner was a grandson of the composer Christoph Sonnleithner and son of the lawyer Ignaz von Sonnleithner. Leopold married Hamburg native Louise Augusta Gosmar (11 August 1803 – 7 June 1850) on 6 May 1828.


Sonnleithner received his doctorate of law on 4 May 1819 in Vienna. He was a personal friend and patron of the Viennese composers Ludwig van Beethoven, Franz Schubert and his cousins, the playwright Franz Grillparzer (1791–1872), and Carl Czerny. Schubert dedicated his musical setting of Grillparzer's Serenade "Hesitantly Quiet" (D921) to Sonnleithner's wife Louise. And it was Sonnleithner who handled Carl Czerny's will.

Sonnleithner was buried at a cemetery in the Viennese district of Margareten in 1873.


  1. ^ Berk, Matheus Franciscus Maria (2004). The magic flute, Volume 1. Brill Academic Publishing. p. 410. ISBN 90-04-13099-3.
  • Über Mozart's Opern aus seiner früheren Jugend. In: Cäcilia. Heft 94/1845 und Heft 98/1846, Verlag Schott, Mainz 1845/1846

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