Constanze Mozart Conservatory of Brussels conserves several autograph documents from Constance Mozart, including letters to her son Franz Xaver Wolfgang Mozart, as well as a small illustrated "Album de Souvenirs", dated 1789 but covering the 1801–1823 period in which she collects memories, impressions and poems (ref. Jean-Lucien Hollenfeltz fund, B-Bc-FH-163). Notes Sources 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
Death of Wolfgang Amadeus Mozart Magic Flute". Mozart is said to have whispered the following to Constanze in reference to her sister Josepha Hofer, the coloratura soprano who premiered the role of the Queen of the Night: Solomon, while noting that Mozart's biographers often left out the "crueler memories" surrounding his death, stated, "Constanze Mozart told Nissen that just before the end Mozart asked her what [his physician] Dr. Closset had said. When she answered with a soothing lie, he said, 'It isn't true,' and he was very distressed: 'I shall die, now when I am able to take care of you and the children.