It’s 14.
The researchers wrote these results are “eagerly awaited from an historical viewpoint” as they will help researchers “scientifically explore the roots of his genius, to find information on his physical prowess and on his possibly precocious ageing, on his being left-handed and his health and possible hereditary sicknesses, and to explain certain peculiar sensory perceptions, like his extraordinary visual quality and synesthesia.”
Researchers gathered data from historical documents in public and private archives and direct accounts by descendants.
The study did not provide much information on the living descendants to protect their privacy.
Born in 1452, da Vinci is known for his paintings of Mona Lisa and The Last Supper. Da Vinci also dedicated his time to science, math, architecture, design, engineering, geology, cartography, sculpting and drawing.
His artwork continues to elicit hefty payments from fans.