According to her terse Wikipedia article, she married Duke Augustus of Saxe Coburg Gotha, but had no children. A longer German Wikipedia article about her is here.
Karoline Amalie accepts the close skirt and neckline ruff, cherusque, of Empire dress, but not the high waistline. Her skirt and shallow vee waistline were widely used in the 1900s. She also foregoes the short sleeves puffs of Empire dress and wears sleeves puffed in the upper half, and slashed, instead. Given Napoleon's influence throughout Europe, this could be called an example of fashion nationalism.