I'd written off my case several years ago, but recently came across contradicting info re: the 1912 rule.

To be clear, an ancestor that naturalizes BEFORE 1912, kills citizenship for any and all children?

My case:

Great grandfather, immigrats to USA in 1886. Naturalizes in 1897.
Grandfather ...

I've come about lots of info about the pre July 1, 1912 naturalization rule but nothing in the last few years. Most stuff on the web I've read concerns the SF Consulate's interpretation of the 1912 rule.

Lineage:

GGF>GF>F>Me

GGF born Italy, immigrated 1886.
GF born NY 1893
GGF naturalized 1897 ...