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.
New York House, 1886-1960: sales, 1901-1910, p. 62, reel 4, box 5; stock book, 1909
