Amelia was the sister of Richtmyer's second wife (History & genealogy of the Hubbell family. 3rd ed. Compiled & edited by Harold Berresford Hubbell, Jr., & Donald Sidney Hubbell. 1980. Brooklyn, NY : Theo. Gaus, Ltd., pg. 551). FIndagrave.com has birth year as 1841 (on stone) 1848 on memorial page.