Tobia de Columnis was a Genoese slaveholder and banker active during the late fourteenth and early fifteenth centuries. He was born as Tobia Castagna and was admitted into the Columnis albergo sometime in the early fifteenth century.
Niccolò Tommaso Squarciafico was a fifteenth century merchant born as Niccolò Tommaso Ganducio. He was admitted into the Squarciafico albergo in 1415 and assumed that surname afterwards.
Vincenzo Aimario was a Genoese slaveholder who was active during the first half of the fifteenth century. He was originally from Piedmonte and was made a Genoese citizen in 1404.
