Hebrews 7:13 KJV

For he of whom these things are spoken pertaineth to another tribe, of which no man gave attendance at the altar.
Hebrews 7:13, King James Version

In context

12 For the priesthood being changed, there is made of necessity a change also of the law.

13 For he of whom these things are spoken pertaineth to another tribe, of which no man gave attendance at the altar.

14 For it is evident that our Lord sprang out of Juda; of which tribe Moses spake nothing concerning priesthood.