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KREFFKA, BERNICE was born 31 March 1898, received Social Security number 208-36-9476 (indicating Pennsylvania) and, Death Master File says, died February 1982
Source: Death Master File (public domain). Check
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KREFFKA, MILDRED M. was born 31 January 1919, received Social Security number 175-05-8829 (indicating Pennsylvania) and, Death Master File says, died 6 November 1995
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KREFFKA, WALTER was born 25 May 1894, received Social Security number 193-03-2626 (indicating Pennsylvania) and, Death Master File says, died March 1963
Source: Death Master File (public domain). Check
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