The maternal relationship between Doris Grosnick and her DNA tested daughter TP is confirmed by the direct inheritance path of autosomal DNA.
The segmental (via DNA segment triangulation) and total DNA shared between TP and other confirmed descendants of LH/
Friedericke Ludtke is consistent with the expected ranges for their respective relationships. Since TP descends from LH/Friedericke Ludtke through Doris Grosnick, the presence of significant shared DNA between TP and other known descendants of LH/Friedericke Ludtke validates the generational links along this maternal line.
This supports the conclusion that DNA was passed from MRCA couple LH/Friedericke Ludtke through Doris Grosnick to TP, confirming this direct ancestral connection through multiple generations.