Prefix( : = <http://example.org/> )

Ontology(

Declaration( ObjectProperty( :hasMother ) )

Declaration( ObjectProperty( :hasSister ) )

Declaration( ObjectProperty( :hasAunt ) )

SubObjectPropertyOf( ObjectPropertyChain( :hasMother :hasSister ) :hasAunt )

ObjectPropertyAssertion( :hasMother :Stewie :Lois )

ObjectPropertyAssertion( :hasSister :Lois :Carol )

)