The proposed relationship of Heinrich J Steinseifer as the father of John Stonecypher and George Washington Stonecipher is supported by DNA evidence indicating shared ancestry within the family lines.

Specifically, DNA evidence confirms a distant cousin relationship between KY (a descendant of the George Washington Stonecipher ancestral line) and RDC (a descendant of the John Stonecypher ancestral line) with a shared segment of 14.08 cM across 1 HIR segments.

This match is consistent with their placement within these shared ancestral branches.