I was thinking about this very topic the other day. I was born and raised in the British West Indies and immigrated to the USA in 1986 for college but become a naturalized US citizen in 1993.
I learned much about my family from the stories my mother, aunts, uncles, and grandparents told me. Many of these people are long gone and I feel disappointed that I did not do this with my kids. In my defence, living in New Jersey, I did not have the support of having family members (or photographs) who could help me pass along family history to my American children. Perhaps it's not too late.