I'm talking about every Black American who is descended from someone who was enslaved. It's no more difficult than that. The government collected census data on slaves & slavers from 1850-1860. The info is there.
You said:
"however, it defies logic to give reparations from far removed descendants"
This is 100% false. You benefit from slavery because your ancestors would never have come here for a better life if the US hadn't built this country on slave labor. They would have stayed in whatever European country they were in, and you wouldn't even be an American.
Stop saying today's white Americans don't benefit from slavery. That is a lie.