Luke 1:3-5

3it seemed fitting for me as well, [and so I have decided] after having carefully searched out and investigated all the events accurately, from the very beginning, to write an orderly account for you, most excellent Theophilus;

4so that you may know the exact truth about the things you have been taught [that is, the history and doctrine of the faith].

5In the days of Herod [the Great], king of Judea, there was a certain priest whose name was Zacharias, of the division of Abijah. His wife was a descendant of Aaron [the first high priest of Israel], and her name was Elizabeth.