John I, Duke of Saxe-Lauenburg
                        
                            GPTKB entity
                        
                    
                Statements (22)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:nobleman gptkb:Duke | 
| gptkbp:birthDate | circa 1249 | 
| gptkbp:child | gptkb:Albert_III,_Duke_of_Saxe-Lauenburg gptkb:Eric_I,_Duke_of_Saxe-Lauenburg John II, Duke of Saxe-Lauenburg Sophia of Saxe-Lauenburg | 
| gptkbp:co-ruler | gptkb:Albert_II,_Duke_of_Saxe-Wittenberg | 
| gptkbp:country | gptkb:Holy_Roman_Empire | 
| gptkbp:deathDate | 30 July 1285 | 
| gptkbp:father | gptkb:Albert_I,_Duke_of_Saxony | 
| gptkbp:house | gptkb:House_of_Ascania | 
| gptkbp:mother | gptkb:Helen_of_Brunswick-Lüneburg | 
| gptkbp:nobleFamily | gptkb:House_of_Ascania | 
| gptkbp:predecessor | gptkb:Albert_I,_Duke_of_Saxony | 
| gptkbp:reign | 1260–1285 | 
| gptkbp:spouse | Ingeborg of Sweden | 
| gptkbp:successor | gptkb:Eric_I,_Duke_of_Saxe-Lauenburg | 
| gptkbp:title | gptkb:Holy_Roman_Emperor | 
| gptkbp:bfsParent | gptkb:Duke_of_Saxe-Lauenburg-Ratzeburg | 
| gptkbp:bfsLayer | 9 | 
| https://www.w3.org/2000/01/rdf-schema#label | John I, Duke of Saxe-Lauenburg |