Ezra 8:13

And from the younger sons of Adonikam -- and these are their names -- Eliphelet, Jeiel, and Shemaiah, and with them sixty who are males.

Ezra 2:13

Sons of Adonikam, six hundred sixty and six.

Nehemiah 7:18

Sons of Adonikam: six hundred sixty and seven.

Treasury of Scripture Knowledge

Summary

And of the last sons of Adonikam, whose names are these, Eliphelet, Jeiel, and Shemaiah, and with them threescore males.

Bible References

Adonikam

Ezra 2:13
Sons of Adonikam, six hundred sixty and six.
Nehemiah 7:18
Sons of Adonikam: six hundred sixty and seven.