Q: If Jesus had feet like brass burnt in a furnace wouldn't that make him of Negro descent?
A: Thank you for your question, but the answer is "not necessarily." Jesus was out in the sun walking most of the time. This is no doubt what made his feet dark.
If you'd like to read about Jesus' genetic heritage you may want to begin reading here (122:1.1).
As in all consideration of human value, race should be the last thing that anyone takes into account.