I'm fully aware of that, but it's irrelevant to the claim that the poster suspects "that religious marriage existed long before nation states" being disputed with "the evidence shows that the English legal tradition considered marriage a civil institution long before the churches tried to claim it".

The simple fact is marriage easily predates all the English (pre or not) legal traditions. English (pre or not) traditions at best drew on the earlier concepts and practice of marriage.

Crack a world history book open sometime. Or just use google.