@prefix : <foo://bla/names#> .
 @prefix person: <foo://bla/persons/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
 @prefix owl: <http://www.w3.org/2002/07/owl#>.
   person:john :child person:alice, person:bob.
   person:kate :child person:john.
   :child rdfs:subPropertyOf :descendant.
   :descendant rdf:type owl:TransitiveProperty.