But when they landed in East Coast port cities hundreds of miles apart, their lives abruptly diverged. When John Greene, believed to be an ancestor of Supreme Court Justice Ketanji Brown Jackson, got off a schooner from Trinidad in Charleston, S.C., he was immediately enslaved and dispatched to a plantation, according to family lore. When John Howland, the 10th-great-grandfather of Jackson’s husband, Patrick Jackson, disembarked the Mayflower at Plymouth, Mass., he was given housing and several acres. Thus were two newcomers to America cast into racially predetermined roles. Today, as new genealogical research illustrates, Ketanji Brown Jackson and Patrick Jackson are left with a historical subject in common: enslaved people. His ancestors owned them, while her ancestors were them. Read more