NET
19 This was the one who exploited our people and was cruel to our ancestors, forcing them to abandon their infants so they would die.
Darby
19 *He* dealt subtilly with our race, and evil entreated the fathers, casting out their infants that they might not live.
KJV
19 The same dealt subtilly with our kindred, and evil entreated our fathers, so that they cast out their young children, to the end they might not live.