Unknown 1749(Germany)
mentioned in WER 5 and WER 8 as located near the river Erft in North Rhine-Westphalia
Unknown 1757(Unidentified places)
mentioned in WER 9, perhaps located in the Netherlands; not clear whether related or even identical with 'Bidningahusum' mentioned in WER 1
Unknown 1933(Netherlands)
unidentified, but used to be part of Doornspijk
Unknown 1934(Netherlands)
unidentified, but used to be part of Doornspijk