Giustino was born about 1865 in San Demetrio, the son of Domenico DeMatteis and Carmela Lozzi.
His wife was Giuseppantonia Tomassi, who he married in 24 JUN 1906 in Fagnano Alto, L'Aquila, Italy. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | ABT 1865 |
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