Luke 1:8

Now while he was serving as priest before God when his division was on duty,

Luke 1:5

In the days of Herod, king of Judea, there was a priest named Zechariah, of the division of Abijah; and he had a wife of the daughters of Aaron, and her name was Elizabeth.

Treasury of Scripture Knowledge

Summary

And it came to pass, that while he executed the priest's office before God in the order of his course,

Bible References

In

Luke 1:5
In the days of Herod, king of Judea, there was a priest named Zechariah, of the division of Abijah; and he had a wife of the daughters of Aaron, and her name was Elizabeth.