Searching for relatives Detlef & Katrin Koller came 1851 to US from Schles.-Holstein GE; to Hampton IL then settled MN. In Nicollet Co MN by 1870 census. Katrin had 6 kids before m. to Detlef, have no names. Theirs were: Elizabeth b. 1842 m. Christopher Batzel; John b. 1843 m. Anna Augustine, George b. 1846 m. Emelia Vehman. Any info pls e-mail me and thanks!