William S. Clark
Daughter Harriet Keopuolani Richards married William S. Clark. She and son Levi Lyman Richards had been sent to live with Samuel Williston (1795–1874) in Massachusetts for their education at his Williston School. After Richards' death they were adopted by the Willistons and took the Williston name. Levi Lyman's son Samuel Williston (1861–1963) became a law professor at Harvard Law School.