 His maternal grandparents were Barnaba Eufrasio Ghini and Isabella de' conti Aguselli.His paternal grandparents were Giacinto Chiaramonti (1673-1725) and Ottavia Maria Altini; his paternal great-grandparents were Scipione Chiaramonti (1642-1677) and Ottavia Maria Aldini.His paternal great-great grandparents were Chiaramonte Chiaramonti and Polissena Marescalchi.