Nehemiah 2:9-10 NIV

9 So I went to the governors of Trans-Euphrates and gave them the king's letters. The king had also sent army officers and cavalry1 with me.

References for Nehemiah 2:9

10 When Sanballat2 the Horonite and Tobiah3 the Ammonite official heard about this, they were very much disturbed that someone had come to promote the welfare of the Israelites.4

References for Nehemiah 2:10