On receiving your query, I reviewed my notes and the correspondence concerning Thomas Jefferson ALLEN; and, I notice that he has a son named Hannibal.
I have one reference to a Hannibal in my notes:this is for a man named ALEYWINE.
Now, I have been very interested in learning more about the ALEWINEs in the area of Greenville and Newberry Counties in SC.(One Joseph ALEWINE witnessed the 1885 Greenville Co SC will of John Henley GILREATH.)
I now think that perhaps we should spend some time working on the ALEWINEs (and perhaps, CROMERs) around the area of Second Creek in Newberry Co SC.We probably should look at HELLERs Creek in Newberry Co SC.
There is an early ALARWINE in Ninety Six Dist SC on WILLIAMS Creek nr Broad River mentioned in the following abstract: