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KARWOWSKY, ALEXANDER was born 19 October 1890, received Social Security number 030-07-3114 (indicating Massachusetts) and, Death Master File says, died October 1971
Source: Death Master File (public domain). Check
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KARWOWSKY, FRANK was born 7 September 1889, received Social Security number 391-01-6743 (indicating Wisconsin) and, Death Master File says, died December 1968
Source: Death Master File (public domain). Check
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KARWOWSKY, ZYGMUNT was born 4 May 1896, received Social Security number 158-26-6201 (indicating New Jersey) and, Death Master File says, died March 1968
Source: Death Master File (public domain). Check
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