The maternal relationship between Catherine Tucker and her son
John Wesley Murphy is confirmed by the direct inheritance path of autosomal DNA down to their DNA tested descendant BM.
The segmental (via DNA segment triangulation) and total DNA shared between BM and other confirmed descendants of
James Chapman/
Ruth Bertha Hammer is consistent with the expected ranges for their respective relationships. Since BM descends from James Chapman/Ruth Bertha Hammer through Catherine Tucker and her son John Wesley Murphy, the presence of significant shared DNA between BM and other known descendants of James Chapman/Ruth Bertha Hammer validates the generational links along this maternal line.
This supports the conclusion that DNA was passed from MRCA couple James Chapman/Ruth Bertha Hammer through Catherine Tucker to John Wesley Murphy, and ultimately to BM, confirming this direct ancestral connection through multiple generations.