# William Henry Cavendish Bentinck, 3rd Duke of Portland

- By: Matthew Pratt (American, 1734 - 1805)
- Date: c. 1774
- Medium: oil on canvas
- Classification: Painting
- Dimensions: overall: 76.3 x 63.2 cm (30 1/16 x 24 7/8 in.) ; framed: 99.7 x 87 x 2.9 cm (39 1/4 x 34 1/4 x 1 1/8 in.)
- Culture: American
- Credit line: Gift of Clarence Van Dyke Tiers
- Museum: [National Gallery of Art](https://www.nga.gov/collection/art-object-page.3159.html)
- Rights: [Public domain (NGA Open Access, CC0)](https://creativecommons.org/publicdomain/zero/1.0/)
- Picture: https://invisiblenetwork.ai/thumbs/nga/06f9b2d6-4140-4886-bb69-b4374d0fb01c/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)