Marco Polo – Wikipedia

Marco Polo was born in 1254 in Venice. His first known ancestor was a great uncle, Marco Polo (the older) from Venice, who lent some money and commanded a ship in Constantinople.Andrea, Marco’s grandfather, lived in Venice in “contrada San Felice”, he had three sons: Marco “the older”, Maffeo and Niccolò (Marco’s father).Some Croatian sources claim Polo’s ancestors to be of far Dalmatian origin.

https://en.wikipedia.org/wiki/Marco_Polo