Caroline Keyserlingk und Kant
Diedrich Keyserling of Berlin provided a detailled report on a conference held in Kalingrad (earlier Koenigsberg).  It provided an overview of the close relation between Caroline Keyserlings family and Emmanuel Kant.  There are several interesting pictures. The text is all in German. 
You can read this report at:

January 2023.
Tuesday, January 3, 2023