This is a Message Board post. Please reply to [email protected]: Apparently he was born about 1789 in New Haven, Conn. to James Sisson and Sarah Mansfield. As I understand, he was a medical doctor who lived in Cincinnati, OH, but I have no idea of his wife's name, where and when he died and who other than my gggrandfather, William S.Sisson, who his children might be. Anyone have any knowledge of him?