↑ "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. 38.
The children of Thomas and Mary Powel bethphage: ... Martha born ye 29 d. 6 mo., 1713. [Note: In old-styles dates, the sixth month is August. More info may be found here.]
