NET
26 I declared them to be defiled because of their sacrifices—they caused all their firstborn to pass through the fire—so that I might devastate them, so that they would know that I am the Lord.’
Darby
26 and I defiled them by their own gifts, in that they devoted all that opened the womb, that I might make them desolate, to the end that they might know that I [am] Jehovah.
KJV
26 And I polluted them in their own gifts, in that they caused to pass through [the fire] all that openeth the womb, that I might make them desolate, to the end that they might know that I [am] the LORD.