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Johann Jacob Dieffenbach (b. Abt. 1690, d. Abt. 1750)
Johann Jacob Dieffenbach
(son of
Johann Conrad Dieffenbach
and
Unknown
) was born Abt. 1690 in Vicinity of Wieslach, Pfaltz, Germany, and died Abt. 1750 in Frederick, Frederick Co., MD.
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Johann Jacob Dieffenbach (b. Abt. 1690, d. Abt. 1750)