Chieffo's and Vitale's Family Tree from Bagnoli Irpino Italy

Researching the surnames Vitale, Chieffo, Cuozzo, Gatti, Rulli, Conte and Quaranta. All ancestors are from Bagnoli Irpino, Italy.
My great grandfather Salvatore Chieffo born 1849 married Agnesa Cuozzo born 1849. They had five children. Donato born 1874 married Tommasina Conte born 1877, Teresa born 1877 married Rocco DelliBovi born 1873, Vittoria born 1881 (my grandmother)married Raffaele Vitale born 1878, Mary born 1886 married Luigi Conte born 1876 and Salvatore born 1888 married Rachel born 1888.

My other greatgrandfather Alfonso Vitale born born 1850 married Teresa Gatti born 1864. They had four children. Maddelena Vitale born 1876 married Raffaele Quaranta born 1873,(they adopted a daughter Rose)Raffaele Vitale born 1878 married Vittoria Chieffo (my grandparents), Alfonsina Vitale born 1888 married Vincenzo Rulli born 1877 and Alfonso "James" Vitale born 1889 never married.
Between 1879-1887 Alfonso went down to South America and started another Family.

Although the Family tree is almost complete, I would like to find any of my greatgrandparents siblings ancestors'.