Contristano / Grimolizzi family from Barile

Looking for information on Gerardo Contristano dob 05/12/1895 from Barile, Potenza who came to USA 02/17/1921. He came to his brother in law's home, Antonio Grimolizzi in Lowell, MA. leaving a wife Immacolata. Immacolata came to USA at some point and they had atleast 5 children, Rocco Anthony dob 05/18,1927 (29), Jerry, Angelo, Agnes, and Josephine dob 08/27/1923.

Searching for information for my daughter in law regarding her adoptive parents Rocco Anthony Contristano and Beatice Teresa Saffuto, both from Pittsburgh, PA. and her grandparents.

Thank you, AnneMarie