Nehemiah 6:17

Overview - Nehemiah 6
Sanballat practises by craft, by rumours, and by hired prophecies, to terrify Nehemiah.
15 The work is finished, to the terror of the enemies.
17 Secret intelligence passes between the enemies and the nobles of Judah.
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Nehemiah 6:17  (King James Version)
Moreover in those days the nobles of Judah sent many letters unto Tobiah, and the letters of Tobiah came unto them.

the nobles
3:5 5:7 13:28 Micah 7:1-6 ; Matthew 24:10-12

sent many letters unto Tobiah
Hebrew multiplied their letters
passing to Tobiah.