Thomas J. Dorsey liberated himself from enslavement and became one of the most sought-after caterers in Philadelphia. His son William Henry Dorsey was born a free Black man before the Civil War, and became an artist, collector and scrapbooker.
Research:

Behind the Scenes Minis: Paddles and The British Museum
31:02

Ashurbanipal
37:29

Six Impossible Episodes: Back-to-Court
41:15