2 Kings 22:1

Josiah was eight years old when he became king, and he reigned in Jerusalem thirty-one years. His mother’s name was Jedidah daughter of Adaiah; she was from Bozkath.
BSB · Berean Standard Bible
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.
KJV · King James Version
Josiah was eight years old when he began to reign, and he reigned thirty-one years in Jerusalem. His mother’s name was Jedidah the daughter of Adaiah of Bozkath.
WEB · World English Bible
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 Bozkath.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

Josiah
A.M. 3363-3394. B.C. 641-610. This prince was one of the best, if not the best, of all the Jewish kings since the time of David. He began well, continued well, and ended well.
1 Kings 13:2; 2 Chronicles 34:1, 2–33; Jeremiah 1:2; Zephaniah 1:1; Matthew 1:10
eight years old
2 Kings 11:21; 2 Kings 21:1; Psalm 8:2; Ecclesiastes 10:16; Isaiah 3:4
Boscath
This was a city in the plain country of the tribe of Judah; and is mentioned in the parallel passage along with Lachish and Eglon.
Joshua 15:39