 His grandfather, Ser Giovanni, moved from Signa to Florence around the beginning of the 14th century and was a notary.His son, Agnolo's father, named Filippo, was a wealthy merchant of the "Por Santa Maria" guild who probably dealt in silks and spices; he later joined the Signoria of Florence and, in 1393 and in 1400, became Gonfalonier.Agnolo himself served in many political offices, becoming a major figure of the first half of the 15th century in Florence.