Meanwhile, Moses was shepherding the flock of his father-in-law Jethro, the priest of Midian. He led the flock to the far side of the wilderness and came to Horeb, the mountain of God.
Jewish Publication Society of America Version (JPS1917) - Exodus 3:1 >Now Moses was keeping the flock of Jethro his father-in-law, the priest of Midian; and he led the flock to the farthest end of the wilderness, and came to the mountain of God, unto Horeb.