Manfredo de Guisulfis was a slaveholder and citizen of Genoa who was active during the first half of the fifteenth century.
Manfredus de Guisulfis quondam Caloccio civis Ianue
Manfredo de Guisulfis q. Carozio q. Manfredo
Branca Bagnara, register 3, 1426–1428, fol. 105r–v