Wisdom 18:12

12 So they all together had innumerable dead with one kind of death; neither were the living sufficient to bury them: for in one moment the noblest offspring of them was destroyed.

Wisdom 18:12 In-Context

10 But on the other side there sounded an ill according cry of the enemies, and a lamentable noise was carried abroad for children that were bewailed.
11 The master and the servant were punished after one manner; and like as the king, so suffered the common person.
12 So they all together had innumerable dead with one kind of death; neither were the living sufficient to bury them: for in one moment the noblest offspring of them was destroyed.
13 For whereas they would not believe any thing by reason of the enchantments; upon the destruction of the firstborn, they acknowledged this people to be the sons of God.
14 For while all things were in quiet silence, and that night was in the midst of her swift course,

The Brenton translation of the Septuagint is in the public domain.