I'm researching whether I'm eligible for Italian citizenship through my grandfather, and I found this on Wikipedia:

"Note that if an Italian ancestor naturalised as a citizen of another country independently from his or her parents, and prior to reaching legal Italian adulthood (age 21 prior to 10 ...

Hello! I have a similar situation: my grandfather emigrated to the US in 1931, when he was 12 years old, and naturalized independently (so it seems). His mother and father had naturalized earlier. Does this mean I'm also ineligible for citizenship?