Image details
Portrait of Duke Ludwig Rudolf (1671-1735) label QS:Len,"Portrait of Duke Ludwig Rudolf (1671-1735)"
Christoph Bernhard Francke
https://www.sothebys.com/en/auctions/ecatalogue/2005/property-from-the-royal-house-of-hanover-mm0986/lot.73a.html
Image source: File:Francke - Louis Rudolph of Brunswick-Wolfenbüttel.png · License: Public domain
Resized for presentation.