Beethoven......
That all depends on what is considered Black. There were plenty of Black or mixed Black people born in Germany. Germany is as white as white can get, so him being mixed with it; it can easily dominate the Black in him, being that his mother may have been mixed. I have seen plenty of mixed folks who barely look Black, but it showed up in their children, or grandchildren. He was a great composer loved by all races, but I don't understand the difficulty in people to admitting he was 1/2 Black(mulatto).