Jakob Bernoulli was born on January 6, 1655.
Jakob Rosanes was born on August 16, 1842.
Jakob Ehrlich was born on September 15, 1877.
Jakob Aall was born on July 27, 1773.
Jakob Schaffner was born on November 14, 1875.
Jakob Fuglsang was born on March 22, 1985.
Jakob Cedergren was born on January 10, 1973.
Johann Jakob Reiske was born on December 25, 1716.
Alfons Maria Jakob was born on July 2, 1884.
Philipp Jakob Spener was born on January 13, 1635.
Rudolf Jakob Camerarius was born on February 12, 1665.
Johann Jakob Froberger was born on May 18, 1616.
Jöns Jakob Berzelius was born on August 20, 1779.