Jubilees 13:25
.... for Abram, and for his seed, a tenth of the first fruits to the Lord, and the Lord ordained it as an ordinance for ever that they should give it to the priests who served before Him, that they should possess it for ever.
.... for Abram, and for his seed, a tenth of the first fruits to the Lord, and the Lord ordained it as an ordinance for ever that they should give it to the priests who served before Him, that they should possess it for ever.