Carl Albrecht von Aretin (1741-1802)

Gotha Illuminati Research Base (here and here).

*1741, †1802, privy councillor, Oberlehnshofkommissar, Munich, member of the Illuminati under the code name ‘Alphered’ [Alfred the Great].

And here, from Hermann Schüttler: Aretin (1741 Ingolstadt – 1802 Munich), Counsellor of the Exchequer in Ingolstadt and the brother-in-law of Franz Xaver Carl von Zwackh, Adam Weishaupt’s closest confident in the formative years of the secret society.