<http://caligraph.org/ontology/1945_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1940s_birth> .
<http://caligraph.org/ontology/1948_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1940s_birth> .
<http://caligraph.org/ontology/1949_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1940s_birth> .
<http://caligraph.org/ontology/1946_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1940s_birth> .
<http://caligraph.org/ontology/1942_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1940s_birth> .
<http://caligraph.org/ontology/1940s_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_birth> .
<http://caligraph.org/ontology/1941_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1940s_birth> .
<http://caligraph.org/ontology/1943_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1940s_birth> .
<http://caligraph.org/ontology/1940_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1940s_birth> .
<http://caligraph.org/ontology/1947_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1940s_birth> .
<http://caligraph.org/ontology/1940s_birth>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/1944_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1940s_birth> .
<http://caligraph.org/ontology/1940s_birth>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1940s_births> .
<http://caligraph.org/ontology/1940s_birth>	<http://www.w3.org/2000/01/rdf-schema#label>	"1940s birth" .