↑ "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. 37.
The children of John Cock: ... Hezekiah Cock was born ye 28 d. 9 mo., 1703. [Note: In old-styles dates, the ninth month is November. More info may be found here.]
