His parents were Sarah Gerry and Caesar Beman, who, in exchange for serving in the United States Army during the American Revolutionary War, had been manumitted from slavery on 1781 Feb 18 by John Isham.

[1] Jehiel Beman married Fannie Congdon (also spelled Condol) by 1808, and they had seven children.

[4] Three months later, on October 20, 1830, Beman married Nancy Scott in New Haven, Connecticut.

He traveled throughout the northeastern states on behalf of these causes, giving speeches, raising funds, and organizing.

[10] Beman died in New York City on December 27, 1858, and he was buried in Middletown, Connecticut.