Curiously, on an Aug. 17, 1962, application to extend his visa, Obama Sr. filled in a line asking him to list the names and addresses of children. The only child he listed was Roy Obama, a son from his Kenyan wife, Kezia. At that time, Barack Obama Jr. was 1 year old.
It's the father's race, designated as "African," that's much more problematic in analyzing the BC's authenticity or lack thereof. As pointed out previously, the usual bureaucratic racial designation in 1961 pertaining to Obama Sr. would be "Negro" or "colored."