Luke 1:3-5

3It seemed good to me also, having had perfect understanding of all things from the very first, to write to thee in order, most excellent Theophilus, 4That thou mayest know the certainty of those things, in which thou hast been instructed.

5There was in the days of Herod, the king of Judaea, a certain priest named Zacharias, of the course of Abijah: and his wife was of the daughters of Aaron, and her name was Elisabeth.