I have traced all 16 of my great-great-grandparents and more than 20 of my 3G grandparents, and I haven't found evidence that any of them were born outside Nort

I have traced all 16 of my great-great-grandparents and more than 20 of my 3G grandparents, and I haven't found evidence that any of them were born outside North America. But I agree with the commenter who said that it doesn't matter to my own entrepreneurial or adventure-seeking tendencies. I think one or two generations might have an actual effect, but beyond that you're just playing with statistics.