NET
13 When he prayed to the Lord, the Lord responded to him and answered favorably his cry for mercy. The Lord brought him back to Jerusalem to his kingdom. Then Manasseh realized that the Lord is the true God.
Darby
13 and prayed to him. And he was intreated of him and heard his supplication, and brought him again to Jerusalem into his kingdom. Then Manasseh knew that Jehovah, he was God.
KJV
13 And prayed unto him: and he was intreated of him, and heard his supplication, and brought him again to Jerusalem into his kingdom. Then Manasseh knew that the LORD he [was] God.