Cross reference
Numbers 21:15
15 And the slope of the valleys That inclineth toward the dwelling of Ar, And leaneth upon the border of Moab.
Numbers 21:28
28 For a fire is gone out of Heshbon, A flame from the city of Sihon: It hath devoured Ar of Moab, The lords of the high places of the Arnon.
Deuteronomy 2:9
9 And Jehovah said unto me, Vex not Moab, neither contend with them in battle; for I will not give thee of his land for a possession; because I have given Ar unto the children of Lot for a possession.
Deuteronomy 2:18
18 Thou art this day to pass over Ar, the border of Moab:
Deuteronomy 2:29
29 as the children of Esau that dwell in Seir, and the Moabites that dwell in Ar, did unto me; until I shall pass over the Jordan into the land which Jehovah our God giveth us.
Isaiah 15:1
1 The burden of Moab. For in a night Ar of Moab is laid waste, `and' brought to nought; for in a night Kir of Moab is laid waste, `and' brought to nought.