Exodus 24:9 - Albert Barnes' Notes on the Bible

Bible Comments

It would appear that Moses, Aaron with his two sons, and seventy of the elders Exodus 19:7 went a short distance up the mountain to eat the meal of the covenant (compare Genesis 31:43-47), which must have consisted of the flesh of the peace offerings Exodus 24:5. Joshua accompanied Moses as his servant Exodus 24:13.

Exodus 24:9

9 Then went up Moses, and Aaron, Nadab, and Abihu, and seventy of the elders of Israel: