Complex sentence: The monk Jonah is said to have established a monastery in the Persian Gulf "on the shores of the black island" in the middle of the fourth century; see online reference below and original text referenced in "BHO", 527-530.
Split into simpler sentences: The monk Jonah is said to have established a monastery in the Persian Gulf "on the shores of the black island" in the middle of the fourth century. See reference below and original text referenced in "BHO", 527-530.