as knowing this, that law is not made for a righteous man, but for the lawless and insubordinate, for the ungodly and sinners, for the unholy and profane, for murderers of fathers and murderers of mothers, for manslayers,

 First, the idle tales. One of the characteristics of the ancient world was that the poets and even the historians loved to work out romantic and fictitious tales about the foundation of cities and of families. They would tell how some god came to earth and founded the city or took in marriage some mortal maid and founded a family. The ancient world was full of stories like that. 