Thanks for the response.

I am familiar in general terms with Gnostic cosmologies, but haven't studied the Valentinians and Sethians in detail.

By the way, thanks for following me. Please refer to this article:

https://medium.com/@graham-pemberton/a-message-for-my-followers-f485ecce892b

If you're interested in the Genesis story, you could try the series about d'Olivet and Best that I linked to in the article.