Diederik Baron van Leyden van Vlaardingen (1695-1764). Burgomaster of Leiden with his Wife Sophia Dina de Rovere and their Sons Pieter; Jan and Adriaan Pompejus; Family portrait of Diederik baron van Leyden van Vlaardingen with his wife Sophia Dina de Rovere and their three sons Pieter; Jan and Adriaan Pompejus. The family is in an interior with on the left a table with some books on it; Jan plays with a dog. There is a bouquet of flowers on the floor. In the background a garden vase with a river god; on the right a view to the garden. The print collection of Pieter Cornelis van Leyden was purchased by King Louis Napoleon in 1806 and forms the basis for the collection of the Print Room; Diderik van Leyden; Sophia Dina de Rovere; Willem van Mieris; 1728; canvas; oil paint (paint); h 88 cm x w 95 cm