Mary Capel (1630?1715), Later Duchess of Beaufort, and Her Sister Elizabeth (1633?1678), Countess of Carnarvon, Oil on canvas, 51 1/4 x 67 in. (130. 2 x 170. 2 cm), Paintings, Sir Peter Lely (Pieter van der Faes) (British, Soest 1618?1680 London), Lely was influenced by Anthony van Dyck and perhaps hoped to succeed him. He was admired and patronized by the Capel family and some of his best work, including this double portrait, was installed at their country house, Cassiobury Park