Death of Wolfgang Amadeus Mozart Death of Wolfgang Amadeus Mozart The composer Wolfgang Amadeus Mozart died on 5 December 1791 at the age of 35. The circumstances of his death have attracted much research and speculation. Some principal sources of contention are as follows. Mozart scholarship long followed the accounts of early biographers, which proceeded in large part from the recorded memories of his widow Constanze and her sister Sophie Weber as they were recorded in the biographies by Franz Niemetschek and Georg Nikolaus von Nissen. For instance, the important biography by Hermann Abert (1923/2008:1305-9) largely follows this account. The following is a summary of
Rich Ingram, 5th Viscount of Irvine from the marriage. He died from smallpox in April 1721, aged 33, and was succeeded by his younger brother, Arthur, to whom the Horsham estate also passed by entail in default of male issue from Rich. The Viscountess of Irvine married as her second husband William Douglas in 1737. She died in December 1764. He is buried in Westminster Abbey. Rich Ingram, 5th Viscount of Irvine Colonel Rich Ingram, 5th Viscount of Irvine (6 January 1688 – 10 April 1721), was an English peer. Rich Ingram was the second son of Arthur Ingram, 3rd Viscount of Irvine, by Isabella Machell,