John Burt Syng, silversmith, witness mentioned in John Welsh will extract:
Dated March 3, 1769. Witnesses, Jonathan Laurence, John Burt Syng, silversmith, Joseph Forbes. Proved, April 20, 1769. Page 20.--In the name of God, Amen. I, JOHN WELSH, of New York, mariner. After all debts are paid, I leave all my estate to my friend, Elizabeth Treaffe, of New York, and make her executor.
Abstracts of Wills on File in the Surrogate’s Office, City of New York, Vol. 7, 1766-1771. Collections of the New York Historical Society, Vol. 31. New York, USA: New York Historical Society, 1899.