The only ancestry I see that is non-German or Dutch in origin is either from Virginia or Maryland. The claimed ancestry in Maryland goes back to potentially both Matthew Howard and Edward Dorsey, both of whom have false claims of ancestry that have been discussed on this forum. (That is probably where the statement comes from.)
There are also probably spurious claims for the origin of William Griffith, Thomas Beeson, Humphrey Belt, etc.
I don't see any other lines that look promising, unless someone has traced something into Northern Ireland or Scotland that somehow has a miraculously documented descent back to royalty, or done a remarkable discovery that should be published as new scholarly research.