New Revised Standard Version
Now the one of whom these things are spoken belonged to another tribe, from which no one has ever served at the altar.

Contemporary English Version
The person we are talking about is our Lord, who came from a tribe that had never had anyone to serve as a priest at the altar.

New American Bible
Now he of whom these things are said belonged to a different tribe, of which no member ever officiated at the altar.

Douay-Rheims Bible
For he of whom these things are spoken is of another tribe, of which no one attended on the altar.

For he of whom these things are spoken is of another tribe, of which no one attended on the altar.

of which.

Numbers 16:40 That the children of Israel might have for the time to come wherewith they should be admonished, that no stranger or any one that is not of the seed of Aaron should come near to offer incense to the Lord, lest he should suffer as Core suffered, and all his congregation, according as the Lord spoke to Moses.

Numbers 17:5 Whomsoever of these I shall choose, his rod shall blossom: and I will make to cease from me the murmurings of the children of Israel, wherewith they murmur against you.

2 Chronicles 26:16-21 But when he was made strong, his heart was lifted up to his destruction, and he neglected the Lord his God: and going into the temple of the Lord, he had a mind to burn incense upon the altar of incense. . . .