Gemma was born about 1735 in Bugnara, L'Aquila, Italy, the daughter of unknown parents.
Her husband was Lonardo Santilli. They were married, but the date and place have not been found. Their only known child was Rosa (c1769-1829).
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | ABT 1735 |
|