Hunt on for Leonardo's DNA, 14 living relatives found

New family tree from 'progenitor' dates back to 1331

(ANSA) - ROME, JUL 6 - The hunt is on for Leonardo da Vinci's DNA, after 14 living relatives descended from his pro-genitor, father and half-brother were found, experts on the Renaissance genius say in an article published in the Human Evolution journal.
    Leonardo's family tree from 1331 to today, comprising 21 generations from father to son, has been reconstructed from historical documents after decades of study, said Alessandro Vezzosi, founder of the Museo Ideale Leonardo da Vinci, and Agnese Sabato, president of the Leonardo Da Vinci Heritage Association.
    No fewer than 14 living descendants in the male line have been identified, 13 of them hitherto unknown, said the study.
    The findings will help reconstruct the genetic profile of the great artist, scientist, thinker and supreme exemplar of the Renaissance man.
    Vezzosi told ANSA that "we had already identified in 2016 35 of Leonardo's living relatives, but they were mostly indirect, the fruit of parallel relations also in the female line, as in the best-known case of the director Franco Zeffirelli: so they were not people who could give us useful information on Leonardo's DNA and in particular on the Y chromosome, which is transmitted to male descendants and remains almost unchanged for 25 generations".
    The breakthrough may now come from the new direct descendants in the male line, stemming from his father Ser Piero and his half-brother Domenico, who are now alive, said Vezzosi.
    "They are aged between one and 85, they don't live right in Vinci but in neighbouring municipalities as far as Versilia (on the Tuscan coast) and they have ordinary jobs like a clerk, a surveyor, an artisan," Vezzosi said.
    Their DNA will be analysed in the coming months to contribute to the research of an international task force, The Leonardo Da Vinci DNA Project, led by Jesse Ausubelof Rockefeller University in New York and supported by the Richard Lounsbery Foundation.
    The project also involves the J. Craig Venter Institute at La Jolla in California, and several other universities and high-profile research centres, including the Department of Biology of the University of Florence, directed by David Caramelli.
    The article said questions potentially probed once Leonardo's DNA is confirmed include reasons behind his genius, information on his parents' geographical origins, his physical prowess, premature aging, left-handedness, diet, health and any hereditary diseases, and his extraordinary vision, synaesthesia and other sensory perceptions.
    Comparison of biological data could also potentially help verify the authenticity of artwork and materials handled by Leonardo, thereby pioneering links between biology and art with broad implications for the world's art market in terms of artistic attribution and materials.
    The extensive study 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 in all, including five family branches—and identifies 14 living descendants.
    The work fills gaps and corrects errors in previous genealogical research into Leonardo's family, while offering new discoveries and family tree updates.
    Leonardo himself had at least 22 half-brothers but no children; a new unpublished document shows that Paolo di Leonardo da Vinci da Firenze was a case of homonymy. The five family branches are traced from Leonardo's father, ser Piero (5th generation), and half-brother Domenico (6th). Since the 15th generation, data have been collected on over 225 individuals. (ANSA).
   

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