#knighthood  aristocrats holding the rank of knight
  supertype:  #aristocracy  a privileged class holding hereditary titles
     supertype:  #elite  a group or class of persons enjoying superior intellectual or social or economic status
        supertype:  #upper_class__upperclas__upper_crust__uppercrust  the class occupying the highest position in the social hierarchy
           supertype:  #socio-economic_class__class__clas__socialclas  people having the same social or economic status; "the working class"; "an emerging professional class"
              supertype:  #people  (plural) any group of human beings (men or women or children) collectively; "old people"; "there were at least 200 people in the audience"
                 supertype:  #group__grouping  any number of entities (members) considered as a unit
                    supertype:  pm#collection  something gathering separated things (entities/situations)
                       supertype:  pm#divisible_entity__divisibleentity  many classifications under this category are application-dependant
                          supertype:  pm#entity  something that can be "involved" in a situation
                             supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                          supertype:  pm#divisible_thing__divisiblething
                             supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type

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