franz christoph janneck - Robuta Search

https://www.sothebys.com/en/auctions/ecatalogue/2018/master-paintings-n09875/lot.8.html

https://www.christies.com/en/lot/lot-5836697

Elegant company dancing and music making in an interior; and Elegant company feasting in a terrace

https://www.sothebys.com/en/auctions/ecatalogue/2014/old-master-british-paintings-day-l14037/lot.211.html