The proposed relationship of Martha Frances Pennington as the mother of Letha Belle Tucker, Perry Gilbert Tucker and Eva Alice Tucker is supported by DNA evidence indicating shared ancestry within the family lines.

Specifically, DNA evidence confirms a 1st cousin, twice removed relationship between MH (a descendant of the Perry Gilbert Tucker ancestral line) and KD (a descendant of the Letha Belle Tucker ancestral line) with a shared segment of 233.79 cM .

It also confirms a 2nd cousin, twice removed relationship between LR (a descendant of the Eva Alice Tucker ancestral line) and KD (a descendant of the Letha Belle Tucker ancestral line) with a shared segment of 80.15 cM across 2 HIR segments.

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

Further support for shared ancestry within Letha Belle Tucker, Perry Gilbert Tucker and Eva Alice Tucker is provided by an additional 1 DNA confirmed relationships among other tested descendants tracing back to these lines.

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