Rokeby Venus been cited as sources of inspiration for Velázquez. The nude Venuses of the Italian painters, such as Giorgione's "Sleeping Venus" (c. 1510) and Titian's "Venus of Urbino" (1538), were the main precedents. In this work, Velázquez combined two established poses for Venus: recumbent on a couch or a bed, and gazing at a mirror. She is often described as looking at herself on the mirror, although this is physically impossible since viewers can see her face reflected in their direction. This phenomenon is known as the Venus effect. In a number of ways the painting represents a pictorial departure, through
Rokeby Venus by the artist are recorded in 17th-century Spanish inventories. Two were mentioned in the Royal collection, but may have been lost in the 1734 fire that destroyed the main Royal Palace of Madrid. A further one was recorded in the collection of Domingo Guerra Coronel. These records mention "a reclining Venus", "Venus and Adonis", and a "Psyche and Cupid". Although the work is widely thought to have been painted from life, the identity of the model is subject to much speculation. In contemporary Spain it was acceptable for artists to employ male nude models for studies; however, the use of