Ezra 2:13

the sons of Adonikam, 666;

Ezra 8:13

and of the sons of Adonikam, the last ones, these being their names, Eliphelet, Jeuel and Shemaiah, and 60 males with them;

Nehemiah 7:18

the sons of Adonikam, 667;

Treasury of Scripture Knowledge

Summary

The children of Adonikam, six hundred sixty and six.

Bible References

Adonikam

Ezra 8:13
and of the sons of Adonikam, the last ones, these being their names, Eliphelet, Jeuel and Shemaiah, and 60 males with them;
Nehemiah 7:18
the sons of Adonikam, 667;