Giustina Gallio
- Born on October 29, 1644 in Milan
- Deceased on July 21, 1679, at the age of 34 years
Parents
- Tolomeo Gallio (1618 - 1687), duca di Alvito
- Ottavia Trivulzio (1618 - )
Family
- Married in 1666, with Gregorio Boncompagni (1642 - 1707), duca di Sora, issuing
Boncompagno Tolomeo (1667 - 1668)