Luke 2:42

And when he was twelve years old, they went up to Jerusalem after the custom of the feast.

More from Luke 2

And it came to pass in those days, that there went out a decree from Caesar Augustus, that all the world should be taxed.

Verse 2

(And this taxing was first made when Cyrenius was governor of Syria.)

Verse 3

And all went to be taxed, every one into his own city.

Verse 4

And Joseph also went up from Galilee, out of the city of Nazareth, into Judaea, unto the city of David, which is called Bethlehem; (because he was of the house and lineage of David:)

Verse 5

To be taxed with Mary his espoused wife, being great with child.