Detail
Type Gut - Alt Gudehlen is a Gut (Estate).
Kr Insterburg - The Kreis for Alt Gudehlen is Insterburg. A Kreis is a government district (similar to a U.S. county).
See Radszuhnen - A See notation means the entry is dependent on another entry. In this case, Alt Gudehlen is dependent on Radszuhnen, which should be consulted for additional information.