Ostsiedlung
Settlers

The majority of the settlers were Germans of the Holy Roman Empire. Significant numbers of Dutch settlers participated, particularly in the early 12th century in the area surrounding the Middle Elbe River. To a lesser extent Danes, Scots or local Wends and (French-speaking) Walloons participated as well. Among the settlers were landless children of noble families who could not inherit property.

Besides the marches, adjacent to the Empire, Germans settled in areas farther east, such as the Carpathians, Transylvania, and along the Gulf of Riga. Settlers were invited by local secular rulers, such as dukes, counts, margraves, princes and (only in a few cases due to the weakening central power) the king. The sovereigns in East Central Europe owned large territories, of which only small portions were arable, which generated very little income. The lords offered considerable privileges to new settlers from the Empire. Starting in the border marks, the princes invited people from the Empire by granting them land ownership and improved legal status, binding duties and the inheritance of the farm. The landowners eventually benefited from these rather generous conditions for the farmers, and generated income from the land that had previously been fallow.

Most sovereigns transferred the specific recruitment of settlers, the distribution of the land and the establishment of the settlements to so-called Lokators (allocator of land). These men, who usually came from the lower nobility or the urban bourgeoisie, organized the settlement trains, that included advertising, equipment and transport, land clearing and preparation of the settlements. Locator contracts settled rights and obligations of the locators and the new settlers.

Towns were founded and granted German town law. The agricultural, legal, administrative, and technical methods of the immigrants, as well as their successful Christianization of the native inhabitants, led to a gradual transformation of the settlement areas, as Slavic communities adopted German culture. German cultural and linguistic influence lasted in some of these areas right up to the present day.

In the mid 14th century, the migration process slowed considerably as a result of the Black Death. The population probably decreased by that time and economically marginal settlements were left, in particular at the coast of Pomerania and Western Prussia. Only a century later, local Slavic leaders of Pomerania, Western Prussia and Silesia invited German settlers again.
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