"Afro-American brothers made out with all kinds of dolls. One pure black African student from Ghana wreaked havoc among co-eds at the university, and the wife of a prominent white local politician considered shucking her husband for him; another student from Kenya split, leaving two pregnant blondes."
Davis, who was married to a white woman from a prominent Chicago family and had five kids with her after moving to Hawaii, also wrote some "soft porn" novels under an assumed name, according to the editor of his bio, John Tidwell, but I'm not so sure they were all that "soft." He was quite a character -- but definitely not one I'd want to expose my grandson to.
I think the line runs from Robeson to Frank Marshall Davis to Stanley Dunham to Obama snr...