What was the relationship between Aaron and Elizabeth?
Elizabeth, the mother of John the Baptist, was descended from Aaron. Luke 1:5
What the Bible says
Luke 1:5
There was in the days of Herod, the king of Judea, a certain priest named Zachary, of the course of Abia; and his wife was of the daughters of Aaron, and her name Elizabeth.
Douay-Rheims Bible (Challoner revision), public domain.
Did you know?
The 1836 Spanish Bible also calls Aaron’s wife Elizabeth. Exodus 6:23