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RIDDERSTEDT, BIRGIT was born 26 November 1914, received Social Security number 338-30-4388 (indicating Illinois) and, Death Master File says, died September 1985
Source: Death Master File (public domain). Check
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RIDDERSTEDT, ERIK was born 30 June 1915, received Social Security number 506-38-1379 (indicating Nebraska) and, Death Master File says, died July 1982
Source: Death Master File (public domain). Check
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RIDDERSTEDT, ERLAND was born 25 August 1883, received Social Security number 153-01-7560 (indicating New Jersey) and, Death Master File says, died November 1965
Source: Death Master File (public domain). Check
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