Rokeby Venus other works by Velázquez and was probably deliberate. The painting was given a major cleaning and restoration in 1965–66, which showed it to be in good condition, and with very little paint added later by other artists, contrary to what some earlier writers had asserted. Paintings of nudes and of Venus by Italian, and especially Venetian, artists were influences on Velázquez. However, Velázquez's version is, according to the art historian Andreas Prater, "a highly independent visual concept that has many precursors, but no direct model; scholars have sought them in vain". Forerunners include Titian's various depictions of Venus, such as
Sleeping Venus (Giorgione) a sitting figure of Cupid beside Venus's feet, which was over-painted in the 19th century. In the course of painting, the landscape has also been changed at both sides, as has the colouring of the drapery, and the head of Venus was originally seen in profile, making it very similar to Titian's later "Pardo Venus". According to the usual account, the painting was unfinished at the time of Giorgione's death. The landscape and sky were later finished by Titian, who in 1534 painted the similar "Venus of Urbino", and several other reclining female nudes, such as his much repeated "Venus