King james
In the King James version * The word Peter is first mentioned in Matthew 4 : 18
Paul is first mentioned in the bible in the book of Acts.
Love is mentioned in the first book of the Bible - Genesis.
The first priest mentioned in the Bible is Melchizedek, who appears in the book of Genesis.
See Genesis 29:15 (KJV) King James Version
If he had been mentioned specifically by name I'm certain we would have heard of it by now. In the King James version The word Barack is first mentioned in Judges 4 : 6
The first book in the Bible was Exodus. The first Name mentioned in the Bible was Adam.
Hell is first mentioned in the Bible in the book of Deuteronomy, chapter 32, verse 22.
The first sacrifice mentioned in the Bible was when Abel offered a lamb to God in the book of Genesis.
Adam and Eve were the first humans according to the bible, so they would logically be the first grandparents mentioned there.
Adam