Verlyn Verbrugge (Chapter 7 Genitive and Dative,Basic of Biblical Greek, William D Mounce) writes:
Peace on earth, good will toward men” (Luke 2:14, KJV). You have probably all received Christmas cards containing this part of the angels’ song to the shepherds on the fields of Bethlehem. But most modern translations read differently: “on earth peace to men on whom his [God’s] favor rests” (NIV); “and on earth peace among those whom he [God] favors” (NRSV). The difference between the KJV and the others is the difference between the nominative and the genitive.