Herod king of Judea: See the profile on "Herod the Great."
a priest named Zechariah: He was a descendant of Aaron, the brother of Moses (Exodus 28:1).
who belonged to the priestly division of Abijah: See the study note on Luke 1:8–9 and also 1 Chronicles 24:10.
Elizabeth was a descendant of Aaron: Jews considered it especially spiritual for a priest to marry a woman from a priestly family.