Verses with the word ammonites in the Apocrypha (2 verses):

2 Maccabees 4:26
Then Jason, who had undermined his own brother, being undermined by another, was compelled to flee into the country of the Ammonites.

2 Maccabees 5:7
Howbeit for all this he obtained not the principality, but at the last received shame for the reward of his treason, and fled again into the country of the Ammonites.