Yet will I bring an heir. — Rather, the possessor, one who shall take it by force — i.e., Sennacherib.
Mareshah was a city in the plain of Judah, near the prophet’s native place, Moresheth-gath. It was fortified by Rehoboam, and became the scene of Asa’s victory over the immense host of Zerah the Ethiopian. Dr. Robinson is of opinion that after its destruction the town of Eleutheropolis was built out of its materials.
Adullam the glory of Israel. — Adullam, in the neighbourhood of Mareshah, was situated at the base of the hills, and gave its name to the famous cave in which David took refuge. Joshua mentions a king of Adullam in the list of those conquered by the Israelites. This, now the last refuge of the glory of Israel, shall be seized by the invader.