3 occurrences across the corpus

King James Version

Luke 3:35

Which was the son of Saruch, which was the son of Ragau, which was the son of Phalec, which was the son of Heber, which was the son of Sala,

KJV Apocrypha (Catholic Deuterocanon)

Judith 1:5

Even in those days king Nabuchodonosor made war with king Arphaxad in the great plain, which is the plain in the borders of Ragau.

Judith 1:15

He took also Arphaxad in the mountains of Ragau, and smote him through with his darts, and destroyed him utterly that day.