Thank you.

My husband’s father came to Philadelphia from Mangone in the early 1950s.

His father and two older brothers came to the US prior to this as follows:

People

Father: Francesco Esposito, born 25 January 1887, back and forth from Italy and US between children, naturalized 1928, repatriated to Italy ...

I am wondering about June sanguinis for Italian citizenship. Here are my facts:

Paternal Grandfather and Grandmother born in Italy in 1880s.
Grandfather emigrated to US a few times and while here became a US naturalized citizen in the 1920s. Grandmother never came to US.
Father born in Italy in ...