Career
He was born June 3, 1650, in Guilford, Connecticut Colony, the son of Thomas Betts (1615–1688) and Mary Raymond. He was the brother of Samuel Betts. On December 15, 1709, the town granted, by majority vote, to Joseph Birchard, Thomas Betts, John Betts, and John Gregory, Junior., permission to build a dam for the purpose of a powering a grist mill.