Hebrews 7:3-5

Darby Translation

³ without father, without mother, without genealogy; having neither beginning of days nor end of life, but assimilated to the Son of God, abides a priest continually.

⁴ Now consider how great this [personage] was, to whom [even] the patriarch Abraham gave a tenth out of the spoils.

⁵ And they indeed from among the sons of Levi, who receive the priesthood, have commandment to take tithes from the people according to the law, that is from their brethren, though these are come out of the loins of Abraham: