Berthold IV, Duke of Zähringen
                        
                            GPTKB entity
                        
                    
                Statements (19)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:nobleman gptkb:Duke | 
| gptkbp:birthDate | 1125 | 
| gptkbp:burialPlace | gptkb:St._Peter_Abbey,_Black_Forest | 
| gptkbp:deathDate | 1186 | 
| gptkbp:father | gptkb:Conrad_I,_Duke_of_Zähringen | 
| gptkbp:mother | gptkb:Clementia_of_Namur | 
| gptkbp:nobleFamily | gptkb:House_of_Zähringen | 
| gptkbp:notableEvent | Participated in the Third Crusade Founded the city of Freiburg im Breisgau | 
| gptkbp:predecessor | gptkb:Conrad_I,_Duke_of_Zähringen | 
| gptkbp:reign | 1152–1186 | 
| gptkbp:religion | gptkb:Roman_Catholicism | 
| gptkbp:spouse | gptkb:Heilwig_of_Frohburg | 
| gptkbp:successor | gptkb:Berthold_V,_Duke_of_Zähringen | 
| gptkbp:title | gptkb:Duke_of_Zähringen | 
| gptkbp:bfsParent | gptkb:Fribourg | 
| gptkbp:bfsLayer | 6 | 
| https://www.w3.org/2000/01/rdf-schema#label | Berthold IV, Duke of Zähringen |