The information I read was:

2." Barack Hussein OBAMA Sr. was born in 1936 in Nyangoma-Kogelo, Siaya District, Kenya and died in a car crash in Nairobi, Kenya in 1982, leaving three wives, six sons and a daughter. All but one of his children live in Britain or the United States. One of the brothers died in 1984. He is buried in the village of Nyangoma-Kogelo, Siaya District, Kenya.3. "

That does not mean that he is not 7/8's Arab and 1/8 Black.