Joseph

Gen 41:38 So Pharaoh asked them, "Can we find anyone like this man, one in whom is the spirit of God?"

Gen 41:46 Joseph was thirty years old when he entered the service of Pharaoh king of Egypt. And Joseph went out from Pharaoh's presence and traveled throughout Egypt.

Samuel

1Sa 2:26 And the boy Samuel continued to grow in stature and in favor with the LORD and with men.

1Sa 3:1 The boy Samuel ministered before the LORD under Eli. In those days the word of the LORD was rare; there were not many visions.

David

1Sa 17:33 Saul replied, "You are not able to go out against this Philistine and fight him; you are only a boy, and he has been a fighting man from his youth."

1Sa 17:37 The LORD who delivered me from the paw of the lion and the paw of the bear will deliver me from the hand of this Philistine." Saul said to David, "Go, and the LORD be with you."

2Ch 24:1 Joash was seven years old when he became king, and he reigned in Jerusalem forty years. His mother's name was Zibiah; she was from Beersheba.

2Ch 24:2 Joash did what was right in the eyes of the LORD all the years of Jehoiada the priest.

2Ki 12:2 Joash did what was right in the eyes of the LORD all the years Jehoiada the priest instructed him.

2Ch 34:1-3 Josiah was eight years old when he became king, and he reigned in Jerusalem thirty-one years. He did what was right in the eyes of the LORD and walked in the ways of his father David, not turning aside to the right or to the left. In the eighth year of his reign, while he was still young, he began to seek the God of his father David. In his twelfth year he began to purge Judah and Jerusalem of high places, Asherah poles, carved idols and cast images.

2Ti 1:5 I have been reminded of your sincere faith, which first lived in your grandmother Lois and in your mother Eunice and, I am persuaded, now lives in you also.

2Ti 3:15 and how from infancy you have known the holy Scriptures, which are able to make you wise for salvation through faith in Christ Jesus.