Type D. - Jesziorowsken is a Dorf (Village).

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

Prov Ostpr. - The Province shows which Province or State the place is located in. Jesziorowsken is located in Ostpreussen.

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

Kr Angerburg - The Kreis for Jesziorowsken is Angerburg. A Kreis is a government district (similar to a U.S. county).

AG Angerburg - The Amtsgericht for Jesziorowsken is in Angerburg. The Amtsgericht is where the Lower District Court is located.

BKdo Goldap - The Bezirkskommando for Jesziorowsken is in Goldap. The Bezirkskommando is the District Military Command. You can look in the BKdo to find military records.

StdA Jesziorowsken Ostpr. [self] - The Standesamt for Jesziorowsken is in itself. The Standesamt is where the Civil Registration Office is located.

A Jesziorowsken Ostpr. [self] - The Amtsbezirk for Jesziorowsken is itself. The Amtsbezirk is the District Office.