# Sylvester (Douglas) Lord Glenbervie; Katherine Anne (North) Glenbervie; Frederic (North) Earl of Guilford; Frederic Sylvester Douglas

- By: Jean-Auguste-Dominique Ingres (French, 1780 - 1867)
- Date: 1815
- Medium: lithograph, four portraits printed on one sheet
- Classification: Print
- Culture: French
- Credit line: Rosenwald Collection
- Museum: [National Gallery of Art](https://www.nga.gov/collection/art-object-page.8010.html)
- Rights: [Public domain (NGA Open Access, CC0)](https://creativecommons.org/publicdomain/zero/1.0/)
- Picture: https://api.nga.gov/iiif/9991c8bb-f770-44e1-8829-d2508e6f4c9a/full/!1920,1080/0/default.jpg
- Who can see it: Tweens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)