2 Kings 20:18 in the King James Version
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.
Context
17 ‘Behold, the days come that all that is in your house, and that which your fathers have laid up in store to this day, will be carried to Babylon. Nothing will be left,’ says the LORD.
18 ‘They will take away some of your sons who will issue from you, whom you will father; and they will be eunuchs in the palace of the king of Babylon.’”
19 Then Hezekiah said to Isaiah, “The LORD’s word which you have spoken is good.” He said moreover, “Isn’t it so, if peace and truth will be in my days?”