When Reuben Elmer was born in 1807 in Washington County, New York, his father, Reuben, was 27 and his mother, Polly, was 23. He had two sons and three daughters with Eliza Francis "Fanny" Camburn Cambron between 1834 and 1849. He died in 1871 in Walworth, New York, at the age of 64.
It may be possible to confirm family relationships with Reuben by comparing test results with other carriers of his ancestors' Y-chromosome or mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree: