Gianvincenzo was the son of unknown parents. The date and place of his birth have not been found.
His wife was Maria Cristina Chiara Masci. They were married, but the date and place have not been found. Their only known child was Giacomo Niccola (c1770-1855).
Note 1
Source: David Brown <david@jenniferanddavid.com> V19 12/2002