I would consider Barack Obama a first or only child, as he has no full siblings. The only problem is whether or not he grew up with any of his eight half-brothers. If he was raised with any of them, they would be included in the count.
Barack Hussein Obama, Jr.http://en.wikipedia.org/wiki/Barack_Obama
Barack
Barack
African
Barack Obama is responsible for the people of the USA
barack obamas
Barack Obama Sr.
Joe Biden
Hussein
lol no
Barack Obamas political office was in the white house
Joe Biden