EntityQ110612429· pop 7· linked from 2 articlesFerdynand GrüningSign in to savePolish serial killer and rapistListeners · Last.fmListeners3Total plays4 <a href="https://www.last.fm/music/Ferdynand+Gr%C3%BCning">Read more on Last.fm</a>via Last.fm · Ferdynand GrüningConnectionsPolandCountryGermanEntityCategories1886 births20th-century Polish murderersPeople convicted of attempted murderPeople convicted of murder by PolandPeople from ŁódźPolish male criminalsPolish murderers of childrenPolish people convicted of child sexual abusePolish people convicted of murderPolish people convicted of rapePolish people of German descentPolish prisoners sentenced to death