James Allen b. 28 Jan 1757, Dartmouth, Mass. was son of Moses Allen & Anna Akin, who were m. 6 Feb 1754. Anna Akin was dau. of James Akin. Moses Allen was son of Benjamin. I have checked film of Dartmouth records on my Allen line in Dartmouth. You may want to check probate records for Bristol Co., Mass. for more on these families.