SExplore/Wikimedia pageSiebertWikimedia disambiguation pageWikimedia pageWikimedia disambiguation pageQ1288043DownloadShareInstance ofWikimedia disambiguation pageAll data5 statements · 0% with external sources · numbers in brackets are citationsExportDifferent fromSiebert criterion used: family name has to use a different item than disambiguation pageSiebert criterion used: given name has to use a different item than disambiguation pagesSaid to be the same asSiewert Seibert