Oil painting on canvas, Anne Brett, Countess of Middlesex (c.1600 - 1669/70) studio of Sir Anthony Van Dyck (Antwerp 1599 - London 1641). Full-length portrait, standing three-quarters left, in a green dress with rose-copper sleeve linings.
In the collection of the 2nd Earl of Egremont (1710-1763) at the time of his death. Thence by descent, until the death in 1952 of the 3rd Lord Leconfield, who had given Petworth to the National Trust in 1947, and whose nephew and heir, John Wyndham, 6th Lord Leconfield and 1st Lord Egremont (1920-72) arranged for the acceptance of the major portion of the collections at Petworth in lieu of death duties (the first ever such arrangement) in 1956 by H.M.Treasury.
Marks and inscriptions
Mary Cuxson, Countess of Dorset
Makers and roles
studio of Sir Anthony Van Dyck (Antwerp 1599 - London 1641), artist
previously attributed to Daniel Mytens the elder (Delft c.1590 – The Hague 1648), artist