The maternal relationship between Susan Austen and her son
John Cloud Grubbs is confirmed by the direct inheritance path of autosomal DNA down to their DNA tested descendant DL.
The segmental (via DNA segment triangulation) and total DNA shared between DL and other confirmed descendants of
Ambrose Austen/
Susannah Beard is consistent with the expected ranges for their respective relationships. Since DL descends from Ambrose Austen/Susannah Beard through Susan Austen and her son John Cloud Grubbs, the presence of significant shared DNA between DL and other known descendants of Ambrose Austen/Susannah Beard validates the generational links along this maternal line.
This supports the conclusion that DNA was passed from MRCA couple Ambrose Austen/Susannah Beard through Susan Austen to John Cloud Grubbs, and ultimately to DL, confirming this direct ancestral connection through multiple generations.