Justus or Just was the fifth bishop of Vienne and lived in the 2nd century. Justus was known also from some spurious letters attributed to Pope Pius I.[1]

References

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  1. ^ Johann Lorenz Mosheim, Institutes of ecclesiastical history, ancient and modern ...: much corrected, enlarged and improved, from the primary authorities, Volume 1(A.H. Maltby, 1832) p.116.