John Marshall Harlan II #89 (1899-1971), William J. Brennan, Jr. #90 (1908-1997)
John Marshall Harlan II #89 (1899-1971) Harlan was nominated to the Court by Dwight D. Eisenhower he was accepted by the senate and was sworn on March 28, 1955.
William J. Brennan, Jr. #90 (1908-1997) had no forefather on the Court he was nominated the old-fashioned way. Brennan stayed on the Court for thirty-three years.