To clear up the question you can do two things. 1) Document the birth. 2) Document the marriage of Sarah farmer to Isaac. The early Vedder families seem to be in Schenectady and then move slowly west. Check your maps for a sense of where they were and where they went. Sometimes this helps. From Kinship records of the First reformed Church of Glen, Montgomery County we have the birth of Jacob Sudam b. August 12, 1818 bapt. March 7, 1819, parents Isaac Vedder and Sarah farmer. From Caughnagwa Reformed Church, Fonda, NY there is a Bapt. of Elenor b. 20 Aug. bapt. 1806. The record incomplete dtr of Isaac Vedder and Sarah Farmer. theclown16