Kneller painted the portrait of pepys at the same time he painted a portrait of pepys's longtime friend and employee william hewer. Both portraits remained in the possession of the pepys family until they were acquired by the national maritime museum in 1931. Courtesy of the caird collection, national maritime museum, greenwich, london. Object Type: painting. Genre: portrait. Date: 1689. Dimensions: height: 76 cm (29.9 in); width: 63.5 cm (25 in). Medium: oil on canvas. Depicted People: Samuel Pepys. Collection: National Maritime Museum. Samuel Pepys by Sir Godfrey Kneller 1689