Paper offers foundation to advance search for Leonardo’s DNA. Leonardo Da Vinci: New family tree spans 21 generations, 690 years, finds 14 living male descendants. The surprising results of a decade-long investigation by Alessandro Vezzosi and Agnese Sabato provide a strong basis for advancing a project researching Leonardo da Vinci’s DNA. Their extensive study, published by the journal “Human Evolution” (Pontecorboli Editore, Florence), documents with new certainty the continuous male line, from father to son, of the Da Vinci family (later Vinci), from progenitor Michele (born 1331) to grandson Leonardo (6th generation, born 1452) through to today — 21 generations...