Exodus:22:29-30
nkjv@Exodus:22:29 @ "You shall not delay to offer the first of your ripe produce and your juices. The firstborn of your sons you shall give to Me.
nkjv@Exodus:22:30 @ Likewise you shall do with your oxen and your sheep. It shall be with its mother seven days; on the eighth day you shall give it to Me.