| gptkbp:instanceOf | gptkb:nobleman gptkb:organization
 
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                                | gptkbp:birthDate | circa 985 
 | 
                        
                            
                                | gptkbp:burialPlace | gptkb:Abbey_of_Polirone 
 | 
                        
                            
                                | gptkbp:child | gptkb:Matilda_of_Tuscany gptkb:Frederick_of_Tuscany
 
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                                | gptkbp:deathDate | 6 May 1052 
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                                | gptkbp:deathPlace | gptkb:Brescia 
 | 
                        
                            
                                | gptkbp:dynasty | gptkb:House_of_Canossa 
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                                | gptkbp:father | gptkb:Adalbert,_Margrave_of_Tuscany 
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                                | gptkbp:mother | gptkb:Ermengarde_of_Tuscany 
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                                | gptkbp:notableEvent | assassinated in 1052 expanded the power of the House of Canossa
 patron of religious institutions
 
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                                | gptkbp:notableFor | one of the most powerful feudal lords in Italy supporter of the Holy Roman Emperors
 
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                                | gptkbp:predecessor | gptkb:Adalbert,_Margrave_of_Tuscany 
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                                | gptkbp:regionRuled | gptkb:Reggio gptkb:Bologna
 gptkb:Florence
 gptkb:Pisa
 gptkb:Tuscany
 gptkb:Verona
 gptkb:Lucca
 gptkb:Cremona
 gptkb:Mantua
 gptkb:Brescia
 gptkb:Parma
 gptkb:Ferrara
 gptkb:Modena
 
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                                | gptkbp:reign | 1004–1052 
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                                | gptkbp:religion | gptkb:Catholicism 
 | 
                        
                            
                                | gptkbp:spouse | gptkb:Beatrice_of_Lorraine 
 | 
                        
                            
                                | gptkbp:successor | gptkb:Beatrice_of_Lorraine_(regent_for_Matilda) 
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                                | gptkbp:title | gptkb:Margrave_of_Tuscany 
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                                | gptkbp:bfsParent | gptkb:Matilde_di_Canossa 
 | 
                        
                            
                                | gptkbp:bfsLayer | 6 
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                                | https://www.w3.org/2000/01/rdf-schema#label | Boniface III of Tuscany 
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