Levirate marriage5 existed before the Law,6 in the law,7 is mentioned in the New Testament,8 and neither Jesus nor the New Testament writers ever negate it.
 Tithing is giving a tenth of one’s increase.
 Genesis 14:18-20
 Numbers 18:20-24
 Matthew 23:23
 Levirate marriage is a type of marriage in which the brother of a deceased man is obliged to marry his brother's widow, when the deceased brother has no children.
 Genesis 38:1-30
 Deuteronomy 25:5-10
 Matthew 22:23-33