Language Poll (US readers only)
@Drquuxum I believe three of my grandparents were the first of their respective family born in the US, though my dad's grandfather had come over as a child.
Not sure about the others, but I know for my mat. grandmother (b. Detroit, 1929), English was her fourth language. She only started learning it when she started school—and all the way through school she translated for her parents, who AFAIK never learned English...