There was a King and a Priest in Salem the city of Peace, which became the city of David. The name of this King and Priest was Melchisedek.
It is clearly stated in scriptures that this King did not have the beginning of days or the ending of Life. He had no Father or Mother and was without descent and was known as the King of righteousness.
Angels have a beginning, the world had a beginning, mankind had a beginning and all spirits of all levels had a beginning and all spirits of all levels had a beginning including principalities and powers in high places.
For this Melchisedec, king of Salem, priest of the highest God, who met Abraham returning from the slaughter of the kings, and be To whom also Abraham gave a tenth part of all; first being by interpretation King of righteousness, and after that also King of Salem, which is, King of peace; Blessed him; (Hebrew 7:1,2)
Melchisedec was a priest and a King; Throughout the Bible, no one has ever bear the office of being a King and a Priest except The Messiah Our Lord and Saviour Jesus Christ(Isaiah 9:6, Psalm 110:4)
Without father, without mother, without descent, having neither beginning of days, nor end of life; but made like unto the Son of God; abideth a priest continually.
King of Salem: Salem has never been found on the map. Because Salem is not a location but a description.
In Hebrew, Salem means “Peace” meaning Melchizedek is referred to as “The King of Peace” which only the Messiah can Only be (Isaiah 9:6) Prince of Peace.
The name Melchizedek means “King of Righteousness” Whither the forerunner is for us entered, even Jesus, made a high priest forever after the order of Melchisedec. Hebrew 6:20,
Even Jesus told the Jews of His pre-existence.
Your father Abraham rejoiced to see my day: and he saw it, and was glad. (John 8:56)