Caroline Dorothea Margarethe Keyser, known as Linka, married Hermann Amberg Preus in 1851. That same year they emigrated to Spring Prairie, Wisconsin. Before she emigrated Linka¿s circle of family and friends included so...Caroline Dorothea Margarethe Keyser, known as Linka, married Hermann Amberg Preus in 1851. That same year they emigrated to Spring Prairie, Wisconsin. Before she emigrated Linka¿s circle of family and friends included some of the most prominent individuals in Norwegian society. Her diary captures her involvement in the Norwegian community, her travel to America, and her life as a pastor¿s wife and a mother.