Nevertheless, both studbooks aimed to produce a horse that could perform farm work, retaining as much elegance as possible to make them attractive carriage horses. This goal echoed that of neighboring East Frisia and Oldenburg, regions with which breeding stock were freely exchanged. The NWP also utilized Holsteiners, which were rumored to have been influenced by the horses of Dutch immigrants. In reality, all parts of the region known as Frisia have ties beyond the similarity of their soil and weather.