The couple portrayed belonged to the up-and-coming merchant families of bremen in the second half of the 19th century. Oltmann thyen (1821 apen/oldenburg - 1891 bremen) founded the shipping company "o. Thyen" in 1851 and married maria sr wilkens (1829 - 1867 bremen) in the same year, daughter of the bremen merchant georg wilkens. [1]. Object Type: painting. Date: 1857. Dimensions: height: 94 cm (37 in); width: 81 cm (31.8 in). Medium: oil on canvas. Louis Ammy Blanc - Porträt des Oltmann Thyen
