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POTRZEBNY, CHESTER G. was born 10 September 1910, received Social Security number 389-07-8222 (indicating Wisconsin) and, Death Master File says, died 18 June 1991
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POTRZEBNY, MICHAEL was born 10 September 1905, received Social Security number 396-44-0347 (indicating Wisconsin) and, Death Master File says, died February 1975
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POTRZEBNY, RUTH J. was born 12 June 1913, received Social Security number 389-03-0892 (indicating Wisconsin) and, Death Master File says, died 5 October 2004
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