Deuteronomy 28:53

You will eat the fruit of your own body, the flesh of your sons and of your daughters, whom Yahweh your God has given you, in the siege and in the distress with which your enemies will distress you.

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: