Hebrews 7:7-9

Complete Jewish Bible

⁷ and it is beyond all dispute that the one who blesses has higher status than the one who receives the blessing.

⁸ Moreover, in the case of the cohanim, the tenth is received by men who die; while in the case of Malki-Tzedek, it is received by someone who is testified to be still alive.

⁹ One might go even further and say that Levi, who himself receives tenths, paid a tenth through Avraham;