Judges 3:14-15 NIV
The Israelites were subject to Eglon king of Moab for eighteen years.
Again the Israelites cried out to the LORD, and he gave them a deliverer—Ehud, a left-handed man, the son of Gera the Benjamite. The Israelites sent him with tribute to Eglon king of Moab.
NIV: New International Version