If you have ever made an in-depth investigation of your family history, a genealogy, then you probably came across some ancestors who would qualify as so-called "black sheep of the family." Among my own ancestors my father came across a family will dating back to shortly before the Civil War. In that will it speaks of my great-great-great-grandmother selling off slaves. In fact, the will indicates that the slave family she owned was to be divided up at her death. When I first heard about this I was shocked and horrified. I could not believe it was true until I read the will myself. To tell you now in public this bit of family history is very distressing for me. It's not merely embarrassing; it is shameful to me; and yet, it is a fact of my ancestral history that I cannot erase and mus…