His great-grandson, Cornelius Abraham Jansen Hardenbergh (1826-1893), twice served as the Town Supervisor of Shawangunk, New York, from 1861 to 1867 and 1876 to 1882, then served in the New York State Assembly from 1885 to 1886. His second great-nephew, Jacob Hardenbergh, served as a New York State Senator from 1870 to 1872.
