↑ "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, and their own Age. ... Thomas Betts born 14 d. 6 m., 1689. [Note: In old-styles dates, the sixth month is August. More info may be found here.] [Note: Newtown became Elmhurst in 1896.]