Bobby Womack (http://www.chicagotribune.com/entertainment/music/turnitup/chi-bobby-womack-obit-20140627,0,728981.column)
For the third brother of five it's all over now.
Edit: For those of you who don't know, among other songs he wrote this minor piece. (http://www.youtube.com/watch?v=IH0DxBIP3wE)