Lon van Eaton is one of the Van Eaton brothers (Derek is the brother)
Lon is guitar player.
Connection with A Beatle? Well, my info is that he played with John, Ringo and George.
Lon and Derrek Van Eaton's single "Sweet Music/Song of Songs" was released at Apple. George Harrison produced the song "Sweet Music", and Ringo Starr played drums. "Song of Songs" was produced by Klaus Voorman.
Lon did vocals on the Dark Horse album.
He played guitar on various Ringo albums (Ringo, Goodnight Vienna,Rotogravure), played guitar with John.
There'll come a time when all of us must
Then nothing 'Sister Mary' can do
Will keep me here with you
As nothing in this life that I've been trying
Can equal of surpass the Art of Dying.