diff --git a/data/ontologies/digital-heraldry-ontology-representation.ttl b/data/ontologies/digital-heraldry-ontology-representation.ttl
index 0de6ae44054d4a32cc6203b4b33b50e70c9e5dc3..a115d26b1dc12f3740bfbaf274e1bd3958e56152 100644
--- a/data/ontologies/digital-heraldry-ontology-representation.ttl
+++ b/data/ontologies/digital-heraldry-ontology-representation.ttl
@@ -58,7 +58,6 @@ schema:domainIncludes rdf:type owl:AnnotationProperty .
# Object Properties
#################################################################
-
### http://digitalheraldry.org/digital-heraldry-ontology/representation#coatOfArmsPresentedAs
dhor:coatOfArmsPresentedAs rdf:type owl:ObjectProperty ;
rdfs:domain dhor:CoADescriptionAct ;
@@ -121,7 +120,6 @@ dhor:helmetPresent rdf:type owl:ObjectProperty ;
rdfs:label "helmetPresent"@en .
-
### http://digitalheraldry.org/digital-heraldry-ontology/representation#locatedOnFolio
dhor:locatedOnFolio rdf:type owl:ObjectProperty ;
rdfs:subPropertyOf dhor:locatedOnObject ;
@@ -299,6 +297,18 @@ dhor:ModeOfCoatOfArmsRepresentation rdf:type owl:Class ;
rdfs:label "ModeOfCoatOfArmsRepresentation"@en .
+### http://digitalheraldry.org/digital-heraldry-ontology/representation#OnDexterSide
+dhor:OnDexterSide rdf:type owl:Class ;
+ rdfs:subClassOf dhor:CoAOrientation ;
+ rdfs:label "OnDexterSide"@en .
+
+
+### http://digitalheraldry.org/digital-heraldry-ontology/representation#OnSinisterSide
+dhor:OnSinisterSide rdf:type owl:Class ;
+ rdfs:subClassOf dhor:CoAOrientation ;
+ rdfs:label "OnSinisterSide"@en .
+
+
### http://digitalheraldry.org/digital-heraldry-ontology/representation#Shield
dhor:Shield rdf:type owl:Class ;
rdfs:subClassOf dhor:ModeOfCoatOfArmsRepresentation ;
@@ -312,4 +322,22 @@ dhor:TextualTranskription rdf:type owl:Class ;
rdfs:label "TextualTranskription"@en .
+### http://digitalheraldry.org/digital-heraldry-ontology/representation#TiltedOrientation
+dhor:TiltedOrientation rdf:type owl:Class ;
+ rdfs:subClassOf dhor:CoAOrientation ;
+ rdfs:label "TiltedOrientation"@en .
+
+
+### http://digitalheraldry.org/digital-heraldry-ontology/representation#UprightOrientation
+dhor:UprightOrientation rdf:type owl:Class ;
+ rdfs:subClassOf dhor:CoAOrientation ;
+ rdfs:label "UprightOrientation"@en .
+
+
+### http://digitalheraldry.org/digital-heraldry-ontology/representation#UpsideDown
+dhor:UpsideDown rdf:type owl:Class ;
+ rdfs:subClassOf dhor:CoAOrientation ;
+ rdfs:label "UpsideDown"@en .
+
+
### Generated by the OWL API (version 4.5.9.2019-02-01T07:24:44Z) https://github.com/owlcs/owlapi