death his widow purchased a large estate known and home built by her governor uncle, known as Liberty Hall, which showcases the contributions of the Livingston and Kean families. In 1800, his widow remarried to Count Julian Niemcewicz, a Polish nobleman who fled Poland after fighting unsuccessfully for Polish independence from Russia but returned in the wake of Napoleon's successful campaigns. Descendants His great-grandsons (named John Kean and Hamilton Fish Kean) both served as U.S. Senators for New Jersey. His great-grandnephew was US Representative Robert Winthrop Kean and his great-great-grandnephew is New Jersey Governor Thomas Kean. References External links 1756 births 1795 deaths Continental Congressmen from South Carolina 18th-century American politicians John Burials at St. Peter's churchyard, Philadelphia