Olenders
Olenders (Polish: Olędrzy Polish: [ɔˈlɛ̃dʐɨ] or Olendrzy, singular form: Olęder, Olender; German: Holländer, Hauländer) were people, often of Dutch or Frisian ancestry, who lived in settlements in Poland organized under a particular type of law. The term Olender has been used to describe two related, but slightly different, groups of settlers.