15 even the slopes of the wadis that extend to the site of Ar and lie along the border of Moab.”
Numbers 21:15 Cross References - BSB
Numbers 21:28
28 For a fire went out from Heshbon, a blaze from the city of Sihon. It consumed Ar of Moab, the rulers of Arnon’s heights.
Deuteronomy 2:9
9 Then the LORD said to me, “Do not harass the Moabites or provoke them to war, for I will not give you any of their land, because I have given Ar to the descendants of Lot as their possession.”
Deuteronomy 2:18
18 “Today you are going to cross the border of Moab at Ar.
Deuteronomy 2:29
29 just as the descendants of Esau who live in Seir and the Moabites who live in Ar did for us, until we cross the Jordan into the land that the LORD our God is giving us.”
Isaiah 15:1
1 This is the burden against Moab: Ar in Moab is ruined, destroyed in a night! Kir in Moab is devastated, destroyed in a night!