It may be possible to confirm family relationships with Daniel by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree:
Terrell-884 and Turrell-108 appear to represent the same person because: Birth day and place match (year is one year off which could be due to change in year conventions). Both fathers reference Terrill. Died same day and place, both have son named George.