<http://caligraph.org/ontology/1430s_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/15th-century_birth> .
<http://caligraph.org/ontology/1420s_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/15th-century_birth> .
<http://caligraph.org/ontology/1460s_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/15th-century_birth> .
<http://caligraph.org/ontology/15th-century_birth>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/1480s_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/15th-century_birth> .
<http://caligraph.org/ontology/1500_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/15th-century_birth> .
<http://caligraph.org/ontology/15th-century_birth>	<http://www.w3.org/2000/01/rdf-schema#label>	"15th-century birth" .
<http://caligraph.org/ontology/1490s_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/15th-century_birth> .
<http://caligraph.org/ontology/1400s_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/15th-century_birth> .
<http://caligraph.org/ontology/1410s_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/15th-century_birth> .
<http://caligraph.org/ontology/1470s_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/15th-century_birth> .
<http://caligraph.org/ontology/1450s_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/15th-century_birth> .
<http://caligraph.org/ontology/15th-century_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/2nd-millennium_birth> .
<http://caligraph.org/ontology/1440s_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/15th-century_birth> .
<http://caligraph.org/ontology/15th-century_birth>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:15th-century_births> .