The paternal relationship between Donald Dean Murdock and his son SEM is confirmed by the direct inheritance path of autosomal DNA down to their DNA tested descendant CM.
The segmental (via DNA segment triangulation) and total DNA shared between CM and other confirmed descendants of
John Murray Murdoch/
Ann Steele is consistent with the expected ranges for their respective relationships. Since CM descends from John Murray Murdoch/Ann Steele through Donald Dean Murdock and his son SEM, the presence of significant shared DNA between CM and other known descendants of John Murray Murdoch/Ann Steele validates the generational links along this paternal line.
This supports the conclusion that DNA was passed from MRCA couple John Murray Murdoch/Ann Steele through Donald Dean Murdock to SEM, and ultimately to CM, confirming this direct ancestral connection through multiple generations.