I don't want to be like the typical fake white liberal apologist, but I did some digging in my family tree and unfortunately it appears my great great great great grand father through my maternal line had enslaved about 10 people.
Bums me out and makes feel sick to my stomach.
For better or worse, nothing's changed except for your perception of yourself. Learning this information does not impact the total amount of racism in the world. It could, though - you get to decide what this story means to you and what you do with that meaning.