Luke 1:8

Now it came to pass, that, while he was doing priestly service in the order of his course before God,

Luke 1:5

There was in the days of Herod, king of Judaea, a certain priest, Zacharias by name, of the course of Abija; 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
There was in the days of Herod, king of Judaea, a certain priest, Zacharias by name, of the course of Abija; and he had a wife of the daughters of Aaron, and her name was Elizabeth.