Luke 2:41-50 (NIV)
41 Every year his parents went to Jerusalem for the Feast of the Passover. 42 When he was twelve years old, they went up to the Feast, according to the custom. 43 After the Feast was over, while his parents were returning home, the boy Jesus stayed behind in Jerusalem, but they were unaware of it. 44 Thinking he was in their company, they traveled on for a day. Then they began looking for him among their relatives and friends. 45 When they...