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

1 Esdras 4:29
Yet did I see him and Apame the king's concubine, the daughter of the admirable Bartacus, sitting at the right hand of the king,

2 Maccabees 4:30
While those things were in doing, they of Tarsus and Mallos made insurrection, because they were given to the king's concubine, called Antiochus.