Public information, by definition, is not private.
TREFET, D was born 4 July 1949, received Social Security number 065-44-2235 (indicating New York) and, Death Master File says, died 22 March 2007
Source: Death Master File (public domain). Check
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for D TREFET. [$]
TREFET, G was born 22 February 1953, received Social Security number 230-80-9984 (indicating Virginia) and, Death Master File says, died 16 October 2013
Source: Death Master File (public domain). Check
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for G TREFET. [$]
TREFET, MARV was born 17 August 1939, received Social Security number 003-26-7662 (indicating New Hampshire) and, Death Master File says, died 24 September 1999
Source: Death Master File (public domain). Check
Archives.com
for MARV TREFET. [$]
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