'Relation' in the Bible

Then Hezekiah put in order the divisions of the priests and Levites, every man in his division, in relation to his work, for the burned offerings and peace-offerings, and for the ordering of worship and for giving praise at the doors of the Lord's house.

And the families of the priests were listed by their fathers' names, but the Levites, of twenty years old and over, were listed in relation to their work in their divisions;