Van Rensselaer (1763–1845), who was also a U.S. Representative that served in Congress from 1803 until 1811. His maternal grandparents were Robert Livingston Jr. (1663–1725) and Margarita Schuyler (b. 1682). His maternal great-grandparents were Pieter Schuyler (1657–1724), the first Mayor of Albany, and Engeltie Van Schaick (d. 1689). Career Van Rensselaer became a land agent, merchant, and surveyor. He owned slaves. In 1766, he was a signer of the constitution of the Albany Sons of Liberty and became a member of the Albany Committee of Safety. During the American Revolutionary War he was commissioned as an ensign in the third regiment of the New York Line where he served as a paymaster. He was elected to the First United States Congress and served from March 4, 1789, to March 3, 1791, but lost his bid for reelection to the Second Congress to James Gordon. In 1789, he was member of the New York State Assembly. In 1791, he was a member of the first board of directors of the Bank of Albany, and from 1798 through 1806, served as president of the bank. He was a presidential elector in 1800, voting for Thomas Jefferson and Aaron Burr. Van Rensselaer was Lieutenant Governor of New York from 1801 to 1804, serving under Governor George Clinton. He was curator of the Evangelical Lutheran Seminary at Albany in 1804. Personal life On July 3, 1760, he married Judith Bayard, the great-granddaughter of Nicholas Bayard (1644–1707). Together, they had one son: Johannes "John" Jeremiah Van Rensselaer (1762–1828), who married Catharina Glen (1765–1807). In February 1764, after his first wife's death of Yellow Fever, he married Helena "Lena" Lansing. He died on February 19, 1810, in Albany and was buried in the Dutch Reformed cemetery there. His body was later moved to the Albany Rural Cemetery in Menands, New York. Descendants Although Van Rensselaer only had one son, he had many grandchildren, including: Catharina Glen Van Rensselaer (1785–1866), who married Nanning Visscher, John Jeremiah Van Rensselaer (b. 1790), who died young, Jeremias "Jeremiah" Van Rensselaer (1796–1871), a well known physician who was the first American to climb Mont Blanc, who first married Charlotte Foster and later Anne F. Waddington Glen Van Rensselaer (b. 1795) Elizabeth Bayard Van Rensselaer (b. 1797) Cornelius Glen Van Rensselaer (1801–1871), who married Catharine Westerlo Bleecker, daughter of John Bleecker and Elizabeth Van Rensselaer (the daughter of Stephen Van Rensselaer II)