1 Kings 16:23

In the thirty and one year, the year to Asa king of Judah, Omri reigned over Israel, twelve years; in Tirzah he reigned six years.

1 Kings 15:21

And it will be when Baasha heard, and he will leave off building Ramah, and he will dwell in Tirzah.

1 Kings 16:8

In the twentieth and sixth year, the year to Asa king of Judah, Elah, son of Baasha reigned over Israel in Tirzah, two years.

1 Kings 16:29

And Ahab son of Omri, reigned over Israel in the year the thirty and eighth year to Asa king of Judah: and Ahab son of Omri will reign over Israel in Shomeron twenty and two years.

2 Chronicles 22:2

The son of forty and two years was Ahaziah in his reigning, and he reigned one year in Jerusalem. And his mother's name Athaliah, daughter of Omri.

Treasury of Scripture Knowledge

Summary

In the thirty and first year of Asa king of Judah began Omri to reign over Israel, twelve years: six years reigned he in Tirzah.

The thirty

Twelve years

Bible References

The thirty

2 Chronicles 22:2
The son of forty and two years was Ahaziah in his reigning, and he reigned one year in Jerusalem. And his mother's name Athaliah, daughter of Omri.

Twelve years

1 Kings 16:8
In the twentieth and sixth year, the year to Asa king of Judah, Elah, son of Baasha reigned over Israel in Tirzah, two years.