Herod Agrippa I was a grandson of
Herod the Great and eventually ruled a territory roughly comparable to that of his grandfather. Acts 12 introduces him simply as King Herod during a period of persecution against the church. He had James the brother of John killed with the sword. Seeing that this pleased some of the Jewish population, he arrested
Peter during the Feast of Unleavened Bread and placed him under heavy guard, intending a public proceeding after Passover. An angel miraculously delivered Peter, frustrating Herod's plan. Herod later went to Caesarea amid a dispute with Tyre and Sidon. On an appointed day he appeared in royal robes and addressed the people, who acclaimed his voice as that of a god. Because he did not give glory to God, Acts says an angel of the Lord struck him, and he died. The Jewish historian Josephus independently describes Agrippa's final illness after receiving extravagant public acclamation.