This is presumably the Francesco Fiorentino who, according to Vasari, was a follower of Lorenzo Monaco. In 1429 Francesco joined the painters' guild in Florence. There is a triptych signed and dated between 1415 and 1418 in the Fitzwilliam Museum, Cambridge, and other pictures are signed or reasonably attributable.
Francesco d'Antonio di Bartolomeo
born 1393; last documented 1452