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