Exodus 22:29 in the King James Version
Thou shalt not delay to offer the first of thy ripe fruits, and of thy liquors: the firstborn of thy sons shalt thou give unto me.
Context
28 “You shall not blaspheme God, nor curse a ruler of your people.
29 “You shall not delay to offer from your harvest and from the outflow of your presses. “You shall give the firstborn of your sons to me.
30 You shall do likewise with your cattle and with your sheep. It shall be with its mother seven days, then on the eighth day you shall give it to me.