Charles T Payne was Obama’s grandmother’s grandfather. He was born about June 1861 in Missouri and died sometime after the 1930 census where he is enumerated with his eldest daughter Lillie in Kansas City, Wyandotte County, Kansas.
http://genealogy.about.com/od/aframertrees/p/obama_three.htm
http://the.hesperos.googlepages.com/AncestorsofBarackHusseinObamaJr.pdf
So does ANYONE know what his great uncle Charles’ middle initial is?