In the below sentence, I'm not sure what "
which" means.
I think it's between "a familiarity" or "fashionable people and with poor Irish farmers"
In a viewpoint of meaning, it looks like "fashionable people and with poor Irish farmers," but how "which" represent people. And if "which" represent "a familiarity", it sounds like funny.
Can you explain to me?
She also acquired a familiarity with fashionable people and with poor Irish farmers,
all of which was to be of use in her novels.