Field names refer to places that are not populated, but rather agriculturally used or undeveloped land
Field names refer to places that are not populated, but rather agriculturally used or undeveloped land. See below for more detail.
See Wikipedia article: Wikipedia Flurnamen
Flurnamen with -siefen -seifen in this book: https://www.google.com/books/edition/Die_Ortsnamen_auf_seifen_siefen_siepen_s/1SwtAAAAYAAJ?hl=en&gbpv=1&bsq=Wustsiefen