↑ "Records of the Society of Friends of the City of New York and Vicinity, from 1640 to 1800", in The New York Genealogical and Biographical Record. (New York, New York: New York Genealogical and Biographical Society) Vol. 4, p. 97.
The children of Thomas and Susannah Betts Newtown [now Elmhurst] ... John the 15 d. 7 mo., 1718. [Note: In old-styles dates, the seventh month is September. More info may be found here.]