If memory serves Owen, and I think it does, this other Benjamin is from the Massachusetts line and an ancestor of Leon Stiles. The other Benjamin was from Upstate and the Chautauqua area, though it might have been the next county over (you read it from my post maybe I said).
Of course everything is close in there. Leon would know the most about this guy, as this is his family. Let me know how it goes and I can see if I can find something else on him if you are still interested. I think he is Mass as I said.