18. JOHN, a distinguished physician of Geneva, N. Y., b. (after 1769); d. May 15, 1812; m. Elizabeth (???), who was of English parentage. Where and when he was educated does not appear. He is believed to have gone to Geneva directly after receiving his education, but under what circumstances is unknown. He probably married there, and died comparatively early in years. He is known to have had two children: Mary Ann, who m. (???) Jenkins; and Elizabeth, who m. (1) Lewis Sellers, and (2) John Barbour.