In si loo xaqiijiyo shakigiisa, Frederick waxaa baaray dhakhtar British ah Morell Mackenzie, kuwaas oo ka dib markii biopsy ma helin wax calaamad ah oo cudurka. Iyadoo heshiis ah ee dhakhaatiirta uu, Frederick u tegey naagtiisa in Great Britain ee Golden Jubilee ee Queen Victoria ee June 1887. Safarkaas, labada lamaane si qarsoodi ah u keenay in Windsor Castle saddex sanduuq oo ka buuxa dukumentiyada shakhsiga ah in ay doonayeen in ay ka fogaadaan indhaha Bismarck iyo Hohenzollerns. Had iyo jeer u xiiseynayaan in ay waxyeello u dhali dhaxal sugaha, chancellor boqortooyada sii waday uu shirqool ka dhan ah Victoria.
Hugo von Radolinski iyo sawir qaade Götz de Seckendorff