The spouses and children of Barack Obama Sr (the presidents father) are: Spouse(s) Kezia Obama Stanley Ann Dunham Ruth Nidesand Jael Otieno Children: Malik Obama (b.1958) Auma Obama (b.1960) Barack Obama (b.1961) Mark Ndesandjo (b.1965) David Ndesandjo (1968-1987) Abo Obama (b.1968) Bernard Obama (b.1970) George Obama (b.1982) . His mother, Stanley Ann Dunham, was married twice: Barack Obama, Sr. (1961-1964) Lolo Soetoro (1965-1980) Her Children Barack Obama (b. 1961) Maya Soetoro (b. 1970). All Barack's siblings are half-siblings. It is interesting to note that one of the parents of President Obama were involved in bigamy, as he did not divorce his first wife before marrying Ann.