When they had finished the days, as they returned, the Boy Jesus lingered behind in Jerusalem. And Joseph and His mother did not know it;
Luke 2:43
Surrounding context
2:42 And when He was twelve years old, they went up to Jerusalem according to the custom of the feast.
2:43 When they had finished the days, as they returned, the Boy Jesus lingered behind in Jerusalem. And Joseph and His mother did not know it;
2:44 but supposing Him to have been in the company, they went a day's journey, and sought Him among their relatives and acquaintances.