Obama's mother is an American who was born in Kansas. Obama grew up with his mother and his maternal grandparents were influential in raising him.
But when Obama II, aka Barry Soetoro, wrote his book it was, “Dreams From My Father”, not is mother or grandparents. It seems his foreign, non-immigrant, non-U.S. Citizen, bigamist, Communist, anti-American father Obama Sr. had a far greater influence on him.