Luke 1:8

It came to pass, while he was officiating as priest before God, in the order of his class, that,

Luke 1:5

There was, in the days of Herod the king of Judea, a certain priest, named Zachariah, of the class of Abijah; and his wife was of the daughters of Aaron, and her name was Eliza beth.

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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 the king of Judea, a certain priest, named Zachariah, of the class of Abijah; and his wife was of the daughters of Aaron, and her name was Eliza beth.