Proper noun
Jehoiada
(biblical) A prominent priest during the reigns of Ahaziah, Athaliah, and Joash. He became the brother-in-law of King Ahaziah and opposed the worship of Baal.
In Encyclopaedia Judaica. 16. Jerusalem:Macmillan, p. 958. According to 2 Chronicles 24:20 states that Jehoiada the priest is his father: Then the Spirit of God came on Zechariah son of Jehoiada the priest. Source: Internet