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Origin of the name Justin: From the Latin JustÄ«nus, which is derived from justus (lawful, right, just). From A World of Baby Names by Teresa Norman.
Justin was born around 100 (both his birth and death dates are approximate) at Flavia Neapolis (ancient Shechem, modern Nablus) in Samaria (the middle portion of Israel, between Galilee and Judea) of pagan Greek parents.