My grandparents came to Boston from Italy around 1906. They were married here and I have their marriage license which has their parents names. Their surnames were Coviello and DeSisto and they were from Bonito & Apice Italy. How do I get more information from Bonito & Apice about their parents? I ...

I am researching my great-grandparents. I found their marriage certificate in Boston 1906 and some census info but this is all I have

Groom Benedetto Coviello b. 1883-4 from Bonito Italy. Immigrated 1902
father: Lucio Coviello, Italy
Mother: Maria DeSimony (aka DeSimone)

Bride Maria DeSista (aka ...