Gemma was born in 1818 in Pacentro, L'Aquila, Italy, the daughter of unknown parents.
She died in Pacentro, L'Aquila, Italy. The date is not known.
Her husband was Concezio Emidio Silvestri. They were married, but the date and place have not been found. Their only known child was Pasqua (1844-1912).
| Event | Date | Details | Source | Multimedia | Notes | ||
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| Birth | 1818 |
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| Death |
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