The Treaty of Landin was signed in
Landin,
Germany
Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
in 1250 between
Barnim I of Pomerania-Stettin, the
Ascanian margraves Johann I and Otto III of
Brandenburg
Brandenburg, officially the State of Brandenburg, is a States of Germany, state in northeastern Germany. Brandenburg borders Poland and the states of Berlin, Mecklenburg-Vorpommern, Lower Saxony, Saxony-Anhalt, and Saxony. It is the List of Ger ...
. Barnim I was accepted as co-ruler of
Wartislaw III of Pomerania-Demmin by the
Margraviate of Brandenburg
The Margraviate of Brandenburg () was a major principality of the Holy Roman Empire from 1157 to 1806 that, having electoral status although being quite poor, grew rapidly in importance after inheriting the Duchy of Prussia in 1618 and then came ...
, thereby hindering Brandenburg's succession in
Pomerania-Demmin as was ruled out in the 1236
Treaty of Kremmen. Instead of the margraves, Barnim I integrated what was left of Pomerania-Demmin, after the territorial losses of 1236 into his Stettin-based duchy. The terra
Wolgast within the
Duchy of Pomerania
The Duchy of Pomerania (; ; Latin: ''Ducatus Pomeraniae'') was a duchy in Pomerania on the southern coast of the Baltic Sea, ruled by dukes of the House of Pomerania (''Griffins''). The country existed in the Middle Ages between years 1121–11 ...
, which was to be inherited by the Margraves, was exchanged for Pomeranian-held northern parts of the
Uckermark
The Uckermark () is a historical region in northeastern Germany, which straddles the Uckermark (district), Uckermark District of Brandenburg and the Vorpommern-Greifswald District of Mecklenburg-Vorpommern. Its traditional capital is Prenzlau.
...
. Barnim also accepted to be a Brandenburgian
vassal
A vassal or liege subject is a person regarded as having a mutual obligation to a lord or monarch, in the context of the feudal system in medieval Europe. While the subordinate party is called a vassal, the dominant party is called a suzerain ...
.
13th century in Pomerania
Landin
Treaties of the Duchy of Pomerania
Treaties of the Margraviate of Brandenburg
1250s in the Holy Roman Empire
1250 in Europe
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