Type D. u. Rg. - Theessen is a Dorf und Rittergut (Village and Landed Estate).

Lvl I Pr. - Level I shows which Kingdom or State the place is located in. Theessen is located in Preussen.

Prov Sa. - The Province shows which Province or State the place is located in. Theessen is located in Sachsen.

RB Magdeburg - The Regierungsbezirk for Theessen is Magdeburg. The Regierungsbezirk is a government district that is in hierarchy between the State and Kreis level.

Kr Jerichow I - The Kreis for Theessen is Jerichow I. A Kreis is a government district (similar to a U.S. county).

AG Burg B. Magdeburg - The Amtsgericht for Theessen is in Burg B. Magdeburg. The Amtsgericht is where the Lower District Court is located.

BKdo Burg B. Magdeburg - The Bezirkskommando for Theessen is in Burg B. Magdeburg. The Bezirkskommando is the District Military Command. You can look in the BKdo to find military records.

StdA Theessen B. Magdeburg [self] - The Standesamt for Theessen is in itself. The Standesamt is where the Civil Registration Office is located.

A Theessen B. Magdeburg [self] - The Amtsbezirk for Theessen is itself. The Amtsbezirk is the District Office.