Nebuchadnezzar -

Son of Nabopolassar, he reigned for 43 years, expanding his empire to include Syria and Palestine. He captured Jerusalem in 597 BC and destroyed it in 586 BC.

After losing his mind due to pride, he was restored to his throne after recognizing the Most High God. Useful Resources & Sources Nebuchadnezzar

Despite being a pagan king, he is referred to in Jeremiah as God’s "servant" used to discipline Israel, and later he acknowledged the God of Israel (Henotheism). Son of Nabopolassar, he reigned for 43 years,

The Jewish-Roman historian provides additional details of his reign. Son of Nabopolassar