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KOCHEFSKY, ABRAHAM was born 15 February 1907, received Social Security number 348-20-0630 (indicating Illinois) and, Death Master File says, died August 1984
Source: Death Master File (public domain). Check
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KOCHEFSKY, BETTY was born 17 October 1908, received Social Security number 336-24-4312 (indicating Illinois) and, Death Master File says, died 8 August 2000
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KOCHEFSKY, IDA was born 15 November 1907, received Social Security number 318-07-0713 (indicating Illinois) and, Death Master File says, died 18 April 1991
Source: Death Master File (public domain). Check
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KOCHEFSKY, JACOB was born 10 July 1908, received Social Security number 348-20-0629 (indicating Illinois) and, Death Master File says, died 20 January 1989
Source: Death Master File (public domain). Check
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