Cecilia “Cissy” Marshall, the wife of the late Supreme Court Justice and civil rights champion Thurgood Marshall, has died at the age of 94, the court said Tuesday.

Her husband became the high court's first Black justice in 1967 following a career as a civil rights lawyer during which he argued the landmark Brown v. Board of Education case that outlawed segregation in public schools. He retired in 1991 and died in 1993 at the age of 84.

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