<http://caligraph.org/ontology/Eldest_son_of_British_hereditary_barons>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Son_of_barons> .
<http://caligraph.org/ontology/Younger_son_of_barons>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Son_of_barons> .
<http://caligraph.org/ontology/Son_of_barons>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Son_of_barons>	<http://www.w3.org/2000/01/rdf-schema#label>	"Son of barons" .
<http://caligraph.org/ontology/Son_of_barons>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Sons_of_barons> .
<http://caligraph.org/ontology/Son_of_life_peers>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Son_of_barons> .
<http://caligraph.org/ontology/Son_of_barons>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Child_of_peers_and_peeresses> .