IDUEL (1Es 8:43) = Ezr 8:16 Ariel. The form is due to confusion of Heb. l and r.
Then I sent for Eliezer, Ariel, Shemaiah, Elnathan, Jarib, Elnathan, Nathan, Zechariah, Meshullam, who were chief men, and also for Joiarib and Elnathan,who were teachers.