Frederick Muhlenberg was born on January 1, 1750 and died on June 4, 1801. Frederick Muhlenberg would have been 51 years old at the time of death or 262 years old today.
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Frederick A. Johnson was born on January 2, 1833 and died on July 17, 1893. Frederick A. Johnson would have been 60 years old at the time of death or 179 years old today.
Frederick Gowland Hopkins was born on June 20, 1861 and died on May 16, 1947. Frederick Gowland Hopkins would have been 85 years old at the time of death or 150 years old today.
John Frederick was born on June 30, 1503 and died on March 3, 1554. John Frederick would have been 50 years old at the time of death or 508 years old today.