Grazia was born about 1920 in Collarmele, Aquila, Italy, the daughter of Antonio Prosia and Maria Carmene DelFiacco.
Her husband was Lorenzo D'Avolio, who she married in ABT 1945 in Collarmele, Aquila, Italy. Their only known child was Alfonso ().
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | ABT 1920 |
|