François Clouet (Tours, 1510 - Paris, 1572). His oil panel, 92 x 81 cm, Diane de Poitiers in the bathThe painting, dated 1571, is in the National Gallery of Art, Washington, USA. In the foreground we can see Diana, mistress of the King of France, Henry II, with whom she has had a child being suckled by a wet nurse.
One of the many reasons why the nobility did not breastfeed at that time was the canon of beauty, which demanded breasts that were not too large.