Jacob Westervelt (sheriff)
Jacob Westervelt (1794–1881) is often confused with his brother-in-law John Jacob V.B. Westervelt (1805–1866), who was a Deputy Sheriff under him, and subsequently High Sheriff of New York City himself too (1846–1849), as well as Assistant Alderman from the 16th Ward (1844–1846). Another namesake is Jacob Aaron Westervelt (1800–1879), the shipbuilder, Alderman from the 13th Ward and later Mayor of New York City (1853–1855).
John J. Jacob (Kentucky)
Jacob organized and was the first president of the Louisville branch of the Bank of the United States and its successor, the Bank of Kentucky. He organized and was a member of the board of directors for the Galt House. He was president of the Lexington and Ohio Railroad and a member of the board of directors of the Louisville and Frankfort Railroad. He was also treasurer of the Louisville and Portland Canal and involved in the Ohio Bridge Commission in 1827. He was among the founders of the Louisville Gas and Water Company in 1838.