Hebrews 7:11 If therefore perfection were by the
Levitical priesthood, (for under it the people received the law,) what further need was there that another priest should rise after the order of Melchizedek, and not be called after the order of Aaron?
DC 104:Intro SECTION 104
The first members of the Council of Twelve of the Restoration were chosen February 14, 1835. At a meeting held to prepare for their first mission as a quorum of apostles, the brethren asked Joseph Smith to inquire of God and attain a revelation for their comfort and for their enlightenment concerning their duty. In response to this request, the following instruction was received through Joseph at Kirtland, Ohio, March 28, 1835.
DC 104:1c but out of respect or reverence to the name of the Supreme Being, to avoid the too frequent repetition of his name, they, the church, in ancient days, called that priesthood after Melchisedec, or the Melchisedec priesthood.