Looking for Monaco IN Italy

Looking for my wife's relations and persons and knowledge about ancestors, descendants and locations in Italy for the following and any other information or sources that can be researched. Specifically are there any relations still around in Italy would be appreciated.

1 Marco MONACO
B 1887; San Severo, Foggia, Puglia, Italy
D 1950; Illinois, USA

Wife
Louise Maria BEVILACQUA
B 1890; San Severo, Foggia, Puglia, Italy
D 1969; Illinois, USA

Parents of Louise BEVILACQUA
Paulo BEVILACQUA
Rachael ?
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Parents of 1 Marco MONACO
Antonio MONACO
B 1849; San Severo, Foggia, Puglia, Italy
D 1934; Illinois, USA

Wife
Maria Donata F CIPRIANI
B 1858; San Severo, Foggia, Puglia, Italy
D 1931; Illinois, USA
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Parents of Antonio MONACO
2 Marco MONACO

Wife
Celeste CIAVARELLA
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Parents of Maria Donata F CIPRIANI
Felice CIPRIANI
Angela Maria JORDANA