U.S. Senator and Louisiana planter. George Washington Barrow (1807–1866), Congressman and U.S. minister to Portugal, who purchased 112 enslaved people in Louisiana. Robert Ruffin Barrow (1798–1875), American plantation owner who owned more than 450 slaves and a dozen plantations. William Beckford (1709–1770), politician and twice Lord Mayor of London. He inherited about 3,000 enslaved people from his brother Peter. William Thomas Beckford) (1760–1844), writer and collector. He inherited about 3,000 enslaved people from his father. Benjamin Belcher (1743–1802), Nova Scotia politician and militia leader, he enslaved at least 7 people. Zabeau Bellanton (), free woman of color and slave trader in Saint Domingue. Judah P. Benjamin (1811–1884), Secretary of State for the Confederate States of America, a U.S. Senator from Louisiana, and a vocal supporter of slavery. Thomas H. Benton (1782–1858), American senator from Missouri. George Berkeley (1685–1753), Anglo-Irish philosopher who purchased several enslaved Africans to work on his plantation in Rhode Island. John M. Berrien (1781–1856), U.S. Senator from Georgia who argued that slavery "lay at the foundation of the Constitution" and that slaves "constitute the very foundation of your union". Antoine Bestel (1766–1852), lawyer from France who migrated to Mauritius where he owned at least 122 slaves. James G. Birney (1792–1857), an attorney and planter who freed his slaves and became an abolitionist. James Blair (–1841), British MP who owned sugar plantations in Demerara. Simón Bolívar (1783–1830), wealthy slave owner who became a Latin American independence leader and eventually an abolitionist. Shadrach Bond (1773–1832), 1st Governor of Illinois, he enslaved people on his farm in Monroe County. Joseph Boucher de Niverville (1715–1804), military officer in New France, he enslaved a Cree woman named Marie. James Bowie (–1836), namesake of the Bowie knife, soldier at the Alamo, and slave trader. Benjamin Boyd (1801–1851), Scottish entrepreneur and slave trader thought to be Australia's first "blackbirder". William Brattle (1706–1776), American politician and military officer, he was identified as a slave owner in a 2022 Harvard investigation into that university's legacy of slavery. John C. Breckinridge (1821–1875), 14th Vice President of the United States and Confederate Secretary of War. He enslaved people until at least 1857. Simone Brocard (), a "free colored" woman of Saint-Domingue, a slave trader, and one of the wealthiest women of that French colony. Preston Brooks (1819–1857), veteran of the Mexican–American War and U.S. Congressman from South Carolina. A slaveholder, he beat abolitionist senator Charles Sumner nearly to