Luke 2:41-45

41And his parents went every year to Jerusalem at the feast of the passover.

42And when he was twelve years old, they went up after the custom of the feast;

43and when they had fulfilled the days, as they were returning, the boy Jesus tarried behind in Jerusalem; and his parents knew it not;

44but supposing him to be in the company, they went a day’s journey; and they sought for him among their kinsfolk and acquaintance:

45and when they found him not, they returned to Jerusalem, seeking for him.