Constanze Mozart Constanze Mozart Maria Constanze Cäcilia Josepha Johanna Aloysia Mozart (née Weber) (5 January 1762 – 6 March 1842) was an Austrian woman who trained as a singer. She married twice, her first husband being Wolfgang Amadeus Mozart, and was later, jointly with her second husband Georg Nikolaus von Nissen, Mozart's biographer. She and Mozart had six children: Karl Thomas Mozart, Franz Xaver Wolfgang Mozart, and four who died in infancy. Constanze Weber was born in Zell im Wiesental, a town near Lörrach in Baden-Württemberg, in the south-west of Germany, then Further Austria. Her mother was Cäcilia Weber, née Stamm. Her
Wolfgang Amadeus Mozart performed Mozart's operas while playing in the court orchestra at Bonn, and traveled to Vienna in 1787 hoping to study with the older composer. Some of have direct models in comparable works by Mozart, and he wrote cadenzas (WoO 58) to Mozart's D minor piano concerto K. 466. For further details see Mozart and Beethoven. Composers have paid homage to Mozart by writing sets of variations on his themes. Beethoven wrote four such sets (Op. 66, WoO 28, WoO 40, WoO 46). Others include Fernando Sor's Introduction and Variations on a Theme by Mozart (1821), Mikhail Glinka's Variations on a