Detail
Type Hrgr. - Ellern is a Häusergruppe (Group of Houses).
Kr Achim - The Kreis for Ellern is Achim. A Kreis is a government district (similar to a U.S. county).
See Uphusen - A See notation means the entry is dependent on another entry. In this case, Ellern is dependent on Uphusen, which should be consulted for additional information.