Hebrews 7:5

5 And those descendants of Levi who receive the priestly office have a commandment in the law to collect tithes from the people, that is, from their kindred, though these also are descended from Abraham.

Hebrews 7:5 In-Context

3 Without father, without mother, without genealogy, having neither beginning of days nor end of life, but resembling the Son of God, he remains a priest forever.
4 See how great he is! Even Abraham the patriarch gave him a tenth of the spoils.
5 And those descendants of Levi who receive the priestly office have a commandment in the law to collect tithes from the people, that is, from their kindred, though these also are descended from Abraham.
6 But this man, who does not belong to their ancestry, collected tithes from Abraham and blessed him who had received the promises.
7 It is beyond dispute that the inferior is blessed by the superior.

Footnotes 2

New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.