The 46-year-old farmer, thought to be a cousin of the former German dictator, was horrified to learn the blood of the ‘greatest criminal’ is in his veins.
But the man, tracked down by Belgian journalist Jean-Paul Mulders, is not alone.
Mr Mulders, who persuaded the man to take a mouth swab test, says there are as many as 39 others living in the remote Waldviertel region of Austria where he comes from.
The area was home to Hitler’s grandmother, Anna Schicklgruber, father Alois and mother Klara.
After the end of the Second World War, the name Hitler completely vanished as those who bore it had it changed.
Many families there still bear similar names, though, like Hiedler and Huettler.
How did the journalist get Hitler’s DNA?
The journalist had previously garnered some Hitler DNA covertly by taking a serviette dropped by one of three known Hitler descendants who live on Long Island, New York.
One of them, Alexander Stuart-Houston, 61, a grand-nephew of Hitler, was trailed for seven days before the dropped the litter which Mulders said led him to the relation in Austria.
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