Bush/walkers and slaves
George Herbert Walker https://en.wikipedia.org/wiki/George_Herbert_Walker http://archive.is/MvqaF
American banker and businessman and the maternal grandfather of President George H. W. Bush and a great-grandfather of President George W. Bush.
In 1920, Walker became the President of the W.A. Harriman & Co. investment firm, and quickly arranged the credits that W. Averell Harriman needed to take control of the Hamburg-Amerika Line. Walker also organized the American Ship and Commerce Corp. to be subsidiary of the W.A. Harriman & Co., with contractual power over the affairs of the Hamburg-Amerika. W.A. Harriman & Co
descended from a Maryland family of slave owners.] His great-grandfather Thomas Walker was a British slave trader. Walker was educated at Stonyhurst College, a Jesuit boarding school in England. He graduated from Washington University in St. Louis in 1897.