Blowhard, Esq. writes:

Once found in a wide arc right across the eastern Netherlands and northern Germany, the Hallenhaus is a form of wood-frame house barn that contained, under one roof, living quarters, stables, and crop store. It was in the use from the fifteenth to the twentieth centuries and numerous fine examples survive to this day. The basic three-aisle form of the Hallenhaus possibly developed from an early longhouse of the seventh to tenth centuries, to which the aisles were gradually added. Although there is a great deal of regional styling and variation in construction details, the basic form of the Hallenhaus remained consistent throughout.

The support system for the central nave of the building was constructed in a post-and-truss form, with long beams running across the top of parallel rows of posts, capped with a wood framework. This wide hall space (Diele), which was covered with large floorboards, was used for all important tasks, including the threshing in wintertime. On either side of the Diele were the stables and stalls, for cattle and horses…

— Building Without Architects: A Global Guide to Everyday Architecture