Mona Lisa ... Da Vinci's mother?

de bene esse: literally, of well-being, morally acceptable but subject to future validation or exception

Was the Mona Lisa actually a portrait of Da Vinci's mother? Author says she was Chinese slave whose relationship with artist's father was frowned upon 

Italian historian Angelo Paratico said the fact Leonardo da Vinci, left, was left handed and the Mona Lisa, right, looks Chinese supports his theory the artist's mother was an Oriental slave.