@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix si: <http://www.example.org/ontology#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

si:Abe a owl:Thing;
  si:familyName "Simpson descripiton blababkldbd" .

si:familyName a owl:ObjectProperty .

si:Bart a owl:Thing;
  si:parent si:Homer .

si:father a rdf:Property;
  rdfs:subPropertyOf si:parent .

si:Homer a owl:Thing;
  si:father si:Abe .

si:grandfather a rdf:Property;
  owl:propertyChainAxiom (si:parent si:father) .

si:parent a rdf:Property .

si:Lisa a owl:Thing;
  si:parent si:Homer .

si:referencedFamilyName rdfs:subPropertyOf si:familyName;
  owl:propertyChainAxiom (si:parent si:familyName) .