No hillbilly, Jethro appears in this book of the Bible as the companion & father-in-law of Moses
... a man named Hobab appears as Moses' 
father-in-law, while Numbers 10:29... [DOC] [TLE] Numbers 10:29 Now Moses said to Hobab son of Reuel ... - Bible Hub [PAR] Now Moses said to Hobab son of Reuel the Midianite, Moses' father-in-law, ... 
And Moses said unto Hobab, the son of Raguel the Midianite, Moses' father .... 30
But he said to him, "I will not come, but rather will go to my own land and relatives
.