1622. Oil on canvas. National Trust, Petworth House, Sussex, UK. More.
Sir Robert Sherly - Englishman, he was in diplomatic service to the Shah of Persia. At the time of the painting of the portraits of him and his wife he was on a diplomatic mission to Pope Gregory XV. His wife, Lady Sherly, was of the noble Persian family.
See also: Anthony van Dyck. Lady Sherly.