Contradiction with Deuteronomy 2:9
This verse contradicts Judges 11:21 as it instructs Israel not to contend with the Moabites because God has given Ar to the descendants of Lot, indicating land designated for others.
Deuteronomy 2:9: And the LORD said unto me, Distress not the Moabites, neither contend with them in battle: for I will not give thee of their land [for] a possession; because I have given Ar unto the children of Lot [for] a possession. [Distress...: or, Use no hostility against Moab]
Contradiction with Deuteronomy 2:19
This verse contradicts Judges 11:21 as it tells Israel not to distress the Ammonites or engage in battle with them, suggesting a boundary God established that the Israelites respected.
Deuteronomy 2:19: And [when] thou comest nigh over against the children of Ammon, distress them not, nor meddle with them: for I will not give thee of the land of the children of Ammon [any] possession; because I have given it unto the children of Lot [for] a possession.
Contradiction with Joshua 13:25
This verse puts into question the territorial claims mentioned in Judges 11:21, as it outlines the lands allotted to the tribe of Gad, which include areas taken from the Ammonites.
Joshua 13:25: And their coast was Jazer, and all the cities of Gilead, and half the land of the children of Ammon, unto Aroer that [is] before Rabbah;
Contradiction with Judges 11:15
This verse contradicts Judges 11:21 since it claims Israel did not take the land of the Moabites, nor the land of the children of Ammon, disputing the conquest narrative.
Judges 11:15: And said unto him, Thus saith Jephthah, Israel took not away the land of Moab, nor the land of the children of Ammon:
Contradiction with Numbers 21:24
This verse contradicts Judges 11:21 by stating that Israel took all the land from Arnon to Jabbok, which was occupied by the Amorites, not the Ammonites.
Numbers 21:24: And Israel smote him with the edge of the sword, and possessed his land from Arnon unto Jabbok, even unto the children of Ammon: for the border of the children of Ammon [was] strong.