Ancestry has a Joseph DeBro, Jr., born in Mississppi in 1929 and a Joseph DeBro, Sr., born in Mississippi in 1908 or 1909. There is another Joseph DeBro listed in Mississippi who was born circa 1860, so his field hand days were short lived, lol, if they even existed.
Everyone hit the BS button on this clown.
The arithmetic was just the start of it.
His rap might have gone somewhere in 1971 when the credulous kooks of California would have bought it uncritically, but that was then.
Now he just outs himself as a few pancakes short of a full stack.