Who was the father of Abijam, the fourth king of the House of David and the second of the Kingdom of Judah?
Abijah of Judah: Abijam was, according to the Hebrew Bible, the fourth king of the House of David and the second of the Kingdom of Judah. Abijah of Judah:  He was the son of Rehoboam and the grandson of Solomon. Davidic line: The Davidic line (also referred to as the House of David) (known in Hebrew as Malkhut Beit David (מלכות בית דוד) – "Kingdom of the House of David") refers to the tracing of lineage to King David referred to many times in the Hebrew Bible and in the New Testament.
Rehoboam