Unknown 1758(Germany)
mentioned in WER 9, possibly referring to the place at which some years later Werden was founded
Unknown 1768(Netherlands)
mentioned in WER 9 as a meadow; transacted together with property in Doornspijk and Suifterbant so possibly located in the vicinity
Unknown 1853(Unidentified places)
according to editor of WER 21 a gloss in the single surviving copy reads 'Bleersem', which in turn may be identical with modern Bliersheim
Unknown 1866(Netherlands)
mentioned in WER 24 as being located in the villa Salehem*
Unknown 2114(Unidentified places)
mentioned in WER 44, probably located in Germany in the environments of Werden and the Ruhr river