Irene di Spilimbergo by Titian, Gian Paolo Pace https://www.nga.gov/artworks/1222-irene-di-spilimbergo
Irene di Spilimbergo was about 20 years old when this painting was begun. Along with a pendant portrait of her older sister, Emilia, the two paintings were probably initially commissioned in anticipation of the prospective marriages of the two sitters.
Associated Names d’Attimis, Conte Maniago, Niccolò Volpi, Elia, Professor Duveen