There were very few Christians in Oultrejordain, most of the inhabitants being Shia Bedouin nomads.
The Archbishop of Petra was established during the Crusader era and served the diocese of Palaestrina III, the Oultrejordain area, and traditionally included Saint Catherine's Monastery on Mount Sinai, although Crusader protection rarely extended that far.
Humphrey IV of Toron (c. 1166 – before 1197), lord of Toron, Kerak, and Oultrejordain in the Kingdom of Jerusalem