2 occurrences across the corpus

KJV Apocrypha (Catholic Deuterocanon)

1 Maccabees 15:22

The same things wrote he likewise unto Demetrius the king, and Attalus, to Ariarathes, and Arsaces,

Apostolic Fathers

Ignatius to Polycarp 3:8

I salute all by name, particularly the wife of Epitropus, with all her house and children. I salute Attalus my well-beloved.