John Marshall Harlan and his family owned slaves.
Notes on verification
Well-corroborated by multiple independent sources including Wikipedia, Oyez, and a Smithsonian Magazine article detailing Harlan's personal history with slavery, consistent with established historical record. [cascade flags: wikipedia_dropped_other_sources_exist | tier=unverified indep_score=0.3 clusters=2 claim_tier=notable] [rescored 2026-09-15: curated origin-host map (PR #65); unclassified hosts no longer scored as aggregators]
Sources
- Supreme Court of the United States Home (seed:politics_and_current_events)
- https://www.oyez.org/justices/john_marshall_harlan1 (corroboration)
- https://www.smithsonianmag.com/history/justice-john-marshall-harlans-personal-history-with-slavery-shaped-his-views-on-civil-rights-180970610/ (corroboration)