(A) Barack Obama Jr.
(B) Malik Obama
(C) ** Barack Obama Sr.
(D) Stanley Armour Dunham
EXPLANATIONS BELOW
Concept note-1: -He was raised in the village of Nyang’oma Kogelo, Siaya District, Nyanza Province. His family are members of the Luo ethnic group. His father was Onyango (later Hussein) Obama (c. 1895–1979), and his mother was Habiba Akumu Nyanjango (c. 1918–2006) of Karabondi, Kenya, Onyango’s second wife.
Concept note-2: -A member of the Democratic Party, he was the first African-American president of the United States. Obama previously served as a U.S. senator from Illinois from 2005 to 2008 and as an Illinois state senator from 1997 to 2004, and previously worked as a civil rights lawyer before entering politics.
Concept note-3: -In December 1971, Obama was visited for a month by his father, Barack Obama Sr., from Kenya. It was the last time Obama would see his father. This was followed by his mother visiting her son and parents in Honolulu from late 1971 to January 1972.