Thank you for your reply about the D. Mumford/ Abigail Poole connection. I am looking for documentation of that marriage, or the marriage of David Mumford (b.1755) to Abigail Turrill. Both wome have been widely named in various sources, but I have not found documentation to prove either.
I have also been unable to find any documentation of any children born of David and Abigail in NJ, though David served in Revolutionary War from NJ as did David's brother, James.