Olęders
First , it describes settlers in Poland from Friesland and the rest of the Netherlands , most often of the Mennonite faith , who in the 16th and 17th centuries founded villages in Royal Prussia , along the Vistula River and its tributaries , in Kuyavia , Mazovia and Greater Poland . 
<triplet> Friesland <subj> Netherlands <obj> country <triplet> Netherlands <subj> Friesland <obj> contains administrative territorial entity