King James Version
And thou shalt eat the fruit of thine own body, the flesh of thy sons and of thy daughters, which the LORD thy God hath given thee, in the siege, and in the straitness, wherewith thine enemies shall distress thee:English Standard Version
And you shall eat the fruit of your womb, the flesh of your sons and daughters, whom the LORD your God has given you, in the siege and in the distress with which your enemies shall distress you.New International Version
Because of the suffering that your enemy will inflict on you during the siege, you will eat the fruit of the womb, the flesh of the sons and daughters the LORD your God has given you.