The paternal relationship between Alvin Schultz and his son DS is confirmed by the direct inheritance path of autosomal DNA down to their DNA tested descendant FS.

The segmental (via DNA segment triangulation) and total DNA shared between FS and other confirmed descendants of Wilhelm Carl Hackbarth/Anna Dorothea Hafemann is consistent with the expected ranges for their respective relationships. Since FS descends from Wilhelm Carl Hackbarth/Anna Dorothea Hafemann through Alvin Schultz and his son DS, the presence of significant shared DNA between FS and other known descendants of Wilhelm Carl Hackbarth/Anna Dorothea Hafemann validates the generational links along this paternal line.

This supports the conclusion that DNA was passed from MRCA couple Wilhelm Carl Hackbarth/Anna Dorothea Hafemann through Alvin Schultz to DS, and ultimately to FS, confirming this direct ancestral connection through multiple generations.