Judges 11:5
"And it was so, that when the children of Ammon made war against Israel, the elders of Gilead went to fetch Jephthah out of the land of Tob:"
Cross References (ranked by relevance)
1 Samuel 11:12
And the people said unto Samuel, Who is he that said, Shall Saul reign over us? bring the men, that we may put them to death.
Judges 10:9
Moreover the children of Ammon passed over Jordan to fight also against Judah, and against Benjamin, and against the house of Ephraim; so that Israel was sore distressed.
1 Samuel 10:27
But the children of Belial said, How shall this man save us? And they despised him, and brought him no presents. But he held his peace.