Gregorio Dati

Gregorio (Goro) Dati (15 April 1362 – 17 September 1435) was a Florentine merchant and diarist best known for the authorship of ''The Diaries of Gregorio Dati'', which represents a major source for social and economic historians of Renaissance Florence, alongside the diaries of Buonaccorso Pitti. He kept a detailed diary outlining his business dealings as well as personal information about the births and deaths of his four successive wives and his 26 children. Provided by Wikipedia