2 Kings 22:1

Josiah was eight years old when he became king, and he reigned thirty-one years in Jerusalem; and his mother’s name was Jedidah the daughter of Adaiah of Bozkath.

Joshua 15:39

Lachish and Bozkath and Eglon,

1 Kings 13:2

He cried against the altar by the word of the Lord, and said, “O altar, altar, thus says the Lord, ‘Behold, a son shall be born to the house of David, Josiah by name; and on you he shall sacrifice the priests of the high places who burn incense on you, and human bones shall be burned on you.’”

2 Kings 11:21

Jehoash was seven years old when he became king.

2 Kings 21:1

Manasseh was twelve years old when he became king, and he reigned fifty-five years in Jerusalem; and his mother’s name was Hephzibah.

2 Chronicles 34:1-33

Josiah was eight years old when he became king, and he reigned thirty-one years in Jerusalem.

Psalm 8:2

From the mouth of infants and nursing babes You have established strength
Because of Your adversaries,
To make the enemy and the revengeful cease.

Ecclesiastes 10:16

Woe to you, O land, whose king is a lad and whose princes feast in the morning.

Isaiah 3:4

And I will make mere lads their princes,
And capricious children will rule over them,

Jeremiah 1:2

to whom the word of the Lord came in the days of Josiah the son of Amon, king of Judah, in the thirteenth year of his reign.

Zephaniah 1:1

The word of the Lord which came to Zephaniah son of Cushi, son of Gedaliah, son of Amariah, son of Hezekiah, in the days of Josiah son of Amon, king of Judah:

Matthew 1:10

Hezekiah was the father of Manasseh, Manasseh the father of Amon, and Amon the father of Josiah.

Treasury of Scripture Knowledge

Summary

Josiah was eight years old when he began to reign, and he reigned thirty and one years in Jerusalem. And his mother's name was Jedidah, the daughter of Adaiah of Boscath.

General references

Bible References

Eight years old

2 Kings 11:21
Jehoash was seven years old when he became king.
2 Kings 21:1
Manasseh was twelve years old when he became king, and he reigned fifty-five years in Jerusalem; and his mother’s name was Hephzibah.
Psalm 8:2
From the mouth of infants and nursing babes You have established strength
Because of Your adversaries,
To make the enemy and the revengeful cease.
Ecclesiastes 10:16
Woe to you, O land, whose king is a lad and whose princes feast in the morning.
Isaiah 3:4
And I will make mere lads their princes,
And capricious children will rule over them,

General references

2 Kings 11:21
Jehoash was seven years old when he became king.