Namesakes
Biblical Characters:
4 characters
Joahaz (a.k.a. Jehoahaz) (m) 2 Chr. 34:8 
Ahaziah (a.k.a. Jehoahaz) (m) 2 Kgs. 8:25/2 Chr. 21:17
Jehoahaz (m) 2 Kgs. 10:35
Jehoahaz (m) 2 Kgs. 23:30/1 Chr. 3:15
Israelite and Judean Kings:
3 kings
King Ahaziah (a.k.a. Jehoahaz) c. 842 BC Judah
King Jehoahaz c. 814-c. 798 BC Israel
King Jehoahaz c. 609 BC Judah