The proposed relationship of James Chapman as the father of Mary Chapman, Robert Chapman and James Henry Chapman is supported by DNA evidence indicating shared ancestry within the family lines.

Specifically, DNA evidence confirms a 3rd cousin, twice removed relationship between NC (a descendant of the Mary Chapman ancestral line) and MB (a descendant of the Robert Chapman ancestral line) with a shared segment of 54.75 cM across 4 HIR segments.

It also confirms a 3rd cousin, once removed relationship between BC (a descendant of the James Henry Chapman ancestral line) and MH (a descendant of the Mary Chapman ancestral line) with a shared segment of 81.23 cM across 2 HIR segments.

These matches are consistent with their placement within these shared ancestral branches.

Further support for shared ancestry within Mary Chapman, Robert Chapman and James Henry Chapman is provided by an additional 6 DNA confirmed relationships among other tested descendants tracing back to these lines.

(*) details visible to users who are logged in and are part of the DNA tested descendants.