This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Duke of Oldenburg's children by V.J. De Gronckel Hermitage. Museum Hermitage object history exhibition history credit line accession number place of creation hermitagemuseum org Paintings lng ru Files uploaded by Shakko from various sources thcentury portrait paintings in the Hermitage Romanovs Duchess Theresa Petrovna of