I am not sure if this will be of any help to you but will pass it along just in case. There was a Peter Vanatta who was supposedly married to Marillas Crose. I have heard that Marillas died in abt. 1812 probably in Smith Co., TN. I have also heard that Marillas and Leonard Fite's wife, Margareth Crose, were sisters.
I have never worked on the Vanatta line but have done quiet a bit of research on the Fite's in NJ, NC, and TN. The information on the Vanatta's came to me from another Fite researcher.
I hope this helps you. Sometimes even a tiny clue can open a new door in our research. Good luck!