Japheth See also Noah, Bible Patriarch The eldest son of Noah, an Old Testament prophet (Moses 8:12). Noah begat Japheth, Gen. 5:32 (Gen. 6:10; Moses 8:12). Japheth and his wife entered Noah’s ark, Gen. 7:13. Japheth came out of the ark, Gen. 9:18. God shall enlarge Japheth, Gen. 9:27.