Judges 11:13

Overview - Judges 11
The covenant between Jephthah and the Gileadites, that he should be their head.
12 The treaty of peace between him and the Ammonites is in vain.
29 Jephthah's vow.
32 His conquest of the Ammonites.
34 He performs his vow on his daughter.
Treasury of Scripture Knowledge

Judges 11:13  (King James Version)
And the king of the children of Ammon answered unto the messengers of Jephthah, Because Israel took away my land, when they came up out of Egypt, from Arnon even unto Jabbok, and unto Jordan: now therefore restore those lands again peaceably.

Because Israel
Numbers 21:24-26 ; Proverbs 19:5 Proverbs 19:9

from Arnon
That is, all the land which had belonged to the Amorites and Moabites.

Genesis 32:22 ; Deuteronomy 2:37 ; 3:16