Dionisio was born in 1872. He was the son of Raffaello Maria Vinci and Assunta Borri. He passed away in 1951.
Sources
Vezzosi, Alessandro & Sabato, Agnese. The New Genealogical Tree of the Da Vinci Family for Leonardo’s DNA, Human Evolution (Italy, 2021) Vol. 36 No. 1-2. Page 55-56.
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