From NKAA, Notable Kentucky African Americans Database (main entry)

The youngest brother of Rev. Martin Luther King, Jr., Alfred D. W. King was pastor of the Louisville Zion Baptist Church (1965-1968); it became the largest African American Baptist church in Kentucky. He founded the Kentucky Christian Leadership Council and assisted in the organization of the Committee for Open Housing's nightly marches in Louisville.

Alfred D. W. King was born in Atlanta, Georgia. After his brother's death, he left Louisville and returned to Atlanta, where he died in 1969.

For more see The Encyclopedia of Louisville, ed. by J. E. Kleber; "Younger brother gets lost in the shadow of Martin Luther King," The Seattle Times. Originally published January 19, 2014; updated January 20, 2014. See also the Alfred Daniel Williams King webpage at Stanford University.