Deuteronomy 2:18

15 For the hand of the Lord was against them, working their destruction, till all were dead.

16 So when death had overtaken all the men of war among the people,

17 The word of the Lord came to me, saying,

18 You are about to go by Ar, the limit of the country of Moab;

19 And when you come near the land of the children of Ammon, give them no cause of trouble and do not make war on them, for I will not give you any of the land of the children of Ammon for your heritage: because I have given it to the children of Lot.

20 (That land is said to have been a land of the Rephaim, for Rephaim had been living there in earlier times, but they were named Zamzummim by the Ammonites;

21 They were a great people, tall as the Anakim, and equal to them in number; but the Lord sent destruction on them and the children of Ammon took their place, living in their land;