[p. 133]: "384. David,7, son of 182 Jonathan6 and Abigail [Williams] Bach, was born at Boston, May 14, 1784. He was alive in 1818, and then junior member of the first of Ridgway & Balch, of Philadelphia, Pa. This is all that is known regarding him." [p. 529 (Addenda)]: "384. David7 was drowned at sea."