2 Chronicles 34:1

Josiah was eight years old when he began to reign, and he reigned in Jerusalem thirty-one years.

Jeremiah 1:2

to whom the Word of Jehovah 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 Jehovah which came to Zephaniah the son of Cushi, the son of Gedaliah, the son of Amariah, the son of Hizkiah, in the days of Josiah the son of Amon, king of Judah.

1 Samuel 2:18

And Samuel served before Jehovah, a child girded with a linen ephod.

1 Samuel 2:26

And the child Samuel went on growing both in stature and in goodness, both with Jehovah and also with men.

1 Kings 3:7-9

And now, O Jehovah my God, You have made Your servant king instead of David my father. And I am a little child; I do not know to go out or come in!

1 Kings 13:2

And he cried against the altar in the Word of Jehovah and said, O, altar, altar, so says Jehovah. Behold, a son shall be born to the house of David, Josiah by name, and on you he shall offer the priests of the high places who burn incense on you, and men's bones shall be burned on you.

2 Kings 22:1-20

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

1 Chronicles 3:14-15

Amon his son, Josiah his son.

2 Chronicles 24:1

Joash was seven years old when he began to reign. And he reigned forty years in Jerusalem. His mother's name also was Zibiah of Beer-sheba.

2 Chronicles 26:1

And all the people of Judah took Uzziah, and he was sixteen years old, and made him king in his father Amaziah's place.

2 Chronicles 33:1

Manasseh was twelve years old when he began to reign, and he reigned fifty-five years in Jerusalem.

2 Chronicles 33:25

And the people of the land killed all those who conspired against King Amon. And the people of the land made his son Josiah to reign in his place.

Ecclesiastes 4:13

A poor and a wise child is better than an old and foolish king, who will not be warned any more.

Matthew 1:10-11

And Hezekiah fathered Manasseh, and Manasseh fathered Amon, and Amon fathered Josiah.

Treasury of Scripture Knowledge

Summary

Josiah was eight years old when he began to reign, and he reigned in Jerusalem one and thirty years.

Bible References

Eight years

2 Chronicles 24:1
Joash was seven years old when he began to reign. And he reigned forty years in Jerusalem. His mother's name also was Zibiah of Beer-sheba.
2 Chronicles 26:1
And all the people of Judah took Uzziah, and he was sixteen years old, and made him king in his father Amaziah's place.
2 Chronicles 33:1
Manasseh was twelve years old when he began to reign, and he reigned fifty-five years in Jerusalem.
1 Samuel 2:18
And Samuel served before Jehovah, a child girded with a linen ephod.
1 Kings 3:7
And now, O Jehovah my God, You have made Your servant king instead of David my father. And I am a little child; I do not know to go out or come in!
Ecclesiastes 4:13
A poor and a wise child is better than an old and foolish king, who will not be warned any more.