Nicolo Fieschi

Nicolo's father is Tediscio Fieschi De Lavagne Comte and his mother is Simona Della Volta.  His paternal grandfather was Ugo Fieschi De Lavagne Comte and his paternal grandmother is () Grillo; his maternal grandfather is Raimondo Della Volta. He has a brother named Frederico Fieschi.

He had a biological daughter named Jacobina.