I too am a descedant of John of Wenham. My line goes: John-Walter-Walter Jr-
Samuel-Samuel M-Ira N-Joseph M-Joseph R-Alice-Reese F. Thornton-Jean T Eichel-Robert F. Eichel
If you find you may be in this line I can supply details, etc. I am not aware of any brothers/sisters for anyone back past Reese F. Thornton.
I know where the Fairfield home is and the cemetary.