The Wiesensteiger branch inherited the county of Geislingen with Burg Helfenstein .
The Wiesensteiger branch pledged the entire holding to the Free Imperial City of Ulm in 1382 for a loan .
The Wiesensteiger branch inherited the county of Geislingen with Burg Helfenstein , but pledged the entire holding to the Free Imperial City of Ulm in 1382 for a loan .