Introduction:
Abijam, also known as Abijah, was the son of Rehoboam and the grandson of Solomon. He reigned as the king of Judah for a brief period following the death of his father. His reign is documented in the biblical books of 1 Kings and 2 Chronicles, where his actions and the spiritual state of Judah during his rule are described.

Biblical Account:

1 Kings 15:1-8 :
The account of Abijam's reign begins in 1 Kings 15:1-8. According to the Berean Standard Bible, "In the eighteenth year of the reign of Jeroboam son of Nebat, Abijam became king of Judah, and he reigned in Jerusalem three years. His mother’s name was Maacah daughter of Abishalom." The text notes that Abijam walked in the sins of his father Rehoboam and did not fully devote himself to the LORD as David had. Despite his shortcomings, the LORD allowed his lineage to continue for the sake of David, whom He had chosen.

2 Chronicles 13:1-22 :
The Chronicler provides a more detailed account of Abijam's reign in 2 Chronicles 13. This passage highlights a significant battle between Abijam and Jeroboam, the king of Israel. Abijam stood on Mount Zemaraim and addressed Jeroboam and all Israel, reminding them of the LORD's covenant with David and condemning their idolatry. The text states, "But as for us, the LORD is our God, and we have not forsaken Him" (2 Chronicles 13:10). Abijam's forces, though outnumbered, were victorious because they relied on the LORD, the God of their fathers.

Religious and Political Context:
Abijam's reign occurred during a period of division and conflict between the northern kingdom of Israel and the southern kingdom of Judah. The religious practices in Judah were a mixture of adherence to the worship of Yahweh and the continuation of idolatrous practices introduced by Rehoboam. Abijam's reign was marked by this religious syncretism, which was a point of contention between the kingdoms.

Legacy:
Abijam's reign was relatively short, lasting only three years. Despite his failures to fully commit to the LORD, his reign is noted for the significant military victory over Jeroboam, which temporarily strengthened Judah's position. His son Asa succeeded him, and Asa's reign was characterized by religious reforms and a return to the worship of Yahweh, contrasting with Abijam's mixed legacy.

Genealogy:
Abijam was the son of Rehoboam and Maacah, the granddaughter of Absalom. His lineage is significant as it continues the Davidic line, which is central to the biblical narrative and the messianic prophecies concerning the house of David.

Conclusion:
The biblical account of Abijam's reign provides insight into the challenges faced by the kingdom of Judah during a time of political and religious turmoil. His account serves as a reminder of the complexities of leadership and the consequences of failing to fully commit to the covenant with God.