<http://caligraph.org/ontology/American_football_family>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:American_football_families> .
<http://caligraph.org/ontology/National_Football_League_family>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_football_family> .
<http://caligraph.org/ontology/American_football_family>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Sports_family_of_the_United_States> .
<http://caligraph.org/ontology/American_football_family>	<http://www.w3.org/2000/01/rdf-schema#label>	"American football family" .
<http://caligraph.org/ontology/American_football_family>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .