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NIZENKOFF, CONSTANTIN C. was born 31 May 1908, received Social Security number 531-07-5623 (indicating Washington) and, Death Master File says, died 10 December 1990
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NIZENKOFF, FRANCES was born 10 September 1925, received Social Security number 470-26-9183 (indicating Minnesota) and, Death Master File says, died 10 December 1994
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NIZENKOFF, NINA was born 10 January 1889, received Social Security number 531-01-9090 (indicating Washington) and, Death Master File says, died September 1969
Source: Death Master File (public domain). Check
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