 In 1752, Adonijah Bidwell married Theodosia Colton of Suffield, Connecticut, a poet and the daughter of his former tutor.It was a childless marriage, and lasted until Theodosia's death in 1759 of unknown causes.A year after Theodosia died, he married Jemima Devotion of West Hartford, Connecticut, his second wife and a first cousin of Theodosia.