The proposed relationship of Guynatti Springer as the father of JWS and
Wilburn Guynatti Springer is supported by DNA evidence indicating shared ancestry within the family lines.
Specifically, DNA evidence confirms a 3rd cousin, once removed relationship between AR (a descendant of the JWS ancestral line) and CS (a descendant of the Wilburn Guynatti Springer ancestral line) with 44.20 cM of shared DNA across 1 HIR segments.
This match is consistent with their placement within these shared ancestral branches.