Josephine "Jo" Nivison Hopper insisted that her husband, Edward Hopper, not use any other female models for the women in his paintings. After they married in 1924, Jo served as his exclusive model and muse for decades, posing for iconic works even into her late 70s.

https://www.theguardian.com/artanddesign/2004/apr/25/art1

https://www.iheart.com/podcast/105-stuff-you-missed-in-histor-21124503/episode/josephine-nivison-hopper-86115823/