Detail
Type Hrgr. - Siethschelje is a Häusergruppe (Group of Houses).
Kr Blumenthal - The Kreis for Siethschelje is Blumenthal. A Kreis is a government district (similar to a U.S. county).
See Meyenburg 4) - A See notation means the entry is dependent on another entry. In this case, Siethschelje is dependent on Meyenburg 4), which should be consulted for additional information.