Luise Gerdruta Cruse 1773-1865 (1773–1865) Parents Gertrude Kupffer Karl Wilhelm Kupffer Children Friedrich Julius Cruse Hermann Wilhelm Cruse Karl Ludwig Robert Cruse Carl Friedrich Wilhelm Cruse Emma Concordia Westermann Victor Eduard Cruse Siblings Anna Elisabeth Maczewski Juliana Stavenhagen Samuel Kupffer Ernst Friedrich Kupffer Christopher Ewald Kupffer Hermann Kupffer Partners Karl Wilhelm Cruse