I have seen the Crayon book and in my view it is not at all reliable on the Minthorn family. As I'm sure you will have noticed the Minthorns listed are nearly all the children of Jacob 1725 as given in his will, not his siblings.
The name MINTON does indeed come from the north of England but all the eighteenth century members of the NJ family spelled their name MINTHORNE or MINTHORN which seems to be the American equivalent of the English surname MINTERN or MINTERNE which comes from the south west of England.
As for the wife from Holland I have met her before, some writers claim she was the wife of Jacob, BUT I have yet to come across any primary source which mentions her. Common sense would suggest that if she existed she is more likely to have been New Netherland Dutch.
I see that you refer to Jacob (husband of Abigail) as the brother of Philip. I have always supposed that he was the son of Jacob 1725, since a son Jacob is mentioned in his will, and they both appear in the tax records of Hanover. As a descendant, maybe you know someting about his parents that I don't?