Alfred Thayer Mahan
Through his daughter Mary, he was the grandfather of Dr. James Jay (1732–1815), a noted physician, and John Jay (1745–1829), a Founding Father of the United States and first Chief Justice of the Supreme Court. Through his grandson Dr. James Jay, Van Cortlandt is the 3x great-grandfather of the 19th century strategist Alfred Thayer Mahan (1840–1914).