Why did Judge Gray skip over more than a century of The Enlightenment and Acts of Parliament?
Why use Calvins Case rather than anything earlier or later? Is there an “ancient” natural born subject or was a convenient point in time picked?
Why not go back to the common law circa 1324 during the reign of Edward II?
The oath is listed in the Statutes of the Realm vol 1 as 17 Edw. 2