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).
Jacob Weingreen
Professor Jacob Weingreen (c. 1907 – April 11, 1995) was a professor of Hebrew in Trinity College, Dublin - School of religion and theology between 1939 and 1979. He excavated in Samaria and maintained contact with archaeologists who donated pieces to the Weingreen museum which was named after him. Professor Weingreen was the author of the Hebrew grammar textbook that is still recognized as the standard teaching work on the subject. In 1961 Weingreen was president of the Society for Old Testament Study.