1957.
Joan Neuman died on January 14, 1987.
William F. Neuman died in 1981.
Jecheskiel Mosze Neuman died in 1956, in Israel.
John von Kralik died in December 1985.
Edward John von Dadelszen died in 1922.
John von Collas died on 1753-06-16.
John von Neumann died on February 8, 1957 at the age of 53.
John Wenceslau Wratislaw von Mitrowitz died in 1712.
Dolores Neuman died on June 5, 2008, in Washington, District of Columbia, USA of kidney cancer.
Well he died from Cancer.
John von Kotze died on June 23, 1986, in London, England, UK of car accident.
Sophie von Cybunny died in the year 1945 in Tyrannia