The critical finding is not what haplogroup W tells us about Hauser. It is what haplogroup W tells us about his relationship to the House of Baden.
The Baden royal line, represented in the study by living female-line descendants of Stéphanie de Beauharnais, belongs to haplogroup H1bs. This is a completely different haplogroup — not a variant of W, not a close relative, but a distinct branch of the mitochondrial phylogenetic tree with no overlapping ancestry within any genealogically relevant timeframe.
The mitotype of Kaspar Hauser and the mitotype of the Baden maternal line are simply different. A person with haplogroup W cannot be the maternal-line descendant of a person with haplogroup H1bs. This means that Kaspar Hauser’s mother — whoever she was — was not Stéphanie de Beauharnais, and was not a maternal relative of Stéphanie’s line within any relevant number of generations.
The Baden prince theory, in its specific genetic claim, is excluded by this finding.
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## Reconciling the Conflict: What Happened in Münster
The 2024 study did not simply replicate the 1996 blood result. It also explained why the 2001-2002 Münster analysis produced a different answer.
The explanation lies in the specific challenges of ancient DNA analysis and in what can go wrong when fragmentation is severe.
When mitochondrial DNA is very old and has been exposed to decades or centuries of environmental damage — heat, humidity, biological processes — the DNA molecule breaks into shorter and shorter fragments. In a severely degraded sample, the authentic ancient DNA may survive only as very short fragments, mixed with any contaminating DNA that has been introduced to the sample through handling, museum preservation, or the analytical process itself.