18 And some of your descendants, your own flesh and blood who will be born to you, will be taken away, and they will become eunuchs in the palace of the king of Babylon.”

Read 2 Kings 20:18 Using Other Translations

And of thy sons that shall issue from thee, which thou shalt beget, shall they take away; and they shall be eunuchs in the palace of the king of Babylon.
And some of your own sons, who shall be born to you, shall be taken away, and they shall be eunuchs in the palace of the king of Babylon."
Some of your very own sons will be taken away into exile. They will become eunuchs who will serve in the palace of Babylon’s king.”