diff --git a/data/ontologies/digital-heraldry-ontology-representation.ttl b/data/ontologies/digital-heraldry-ontology-representation.ttl
index 8653fc113ee6ed163f9a83909e478653fe3c7670..7070582f81abf59e20218518437716781783f690 100644
--- a/data/ontologies/digital-heraldry-ontology-representation.ttl
+++ b/data/ontologies/digital-heraldry-ontology-representation.ttl
@@ -66,14 +66,6 @@ dhor:coatOfArmsPresentedAs rdf:type owl:ObjectProperty ;
                            rdfs:label "coatOfArmsPresentedAs"@en .
 
 
-###  http://digitalheraldry.org/digital-heraldry-ontology/representation#crestPresent
-dhor:crestPresent rdf:type owl:ObjectProperty ;
-                  rdfs:subPropertyOf dhor:hasTimbreAttribute ;
-                  rdfs:domain dhor:CoADescriptionAct ;
-                  rdfs:comment "States if the timbre of a coat of arms displays a crest."@en ;
-                  rdfs:label "crestPresent"@en .
-
-
 ###  http://digitalheraldry.org/digital-heraldry-ontology/representation#hasBlazon
 dhor:hasBlazon rdf:type owl:ObjectProperty ;
                rdfs:domain dhor:CoADescriptionAct ;
@@ -106,20 +98,6 @@ dhor:hasPrimaryDescriptionAct rdf:type owl:ObjectProperty ;
                               rdfs:label "hasPrimaryDescriptionAct"@en .
 
 
-###  http://digitalheraldry.org/digital-heraldry-ontology/representation#hasTimbreAttribute
-dhor:hasTimbreAttribute rdf:type owl:ObjectProperty ;
-                        rdfs:domain dhor:CoADescriptionAct ;
-                        rdfs:comment "Describes the timbre of a CoatOfArmsRepresentation by a DescriptionAct"@en ;
-                        rdfs:label "hasTimbreAttribute"@en .
-
-
-###  http://digitalheraldry.org/digital-heraldry-ontology/representation#helmetPresent
-dhor:helmetPresent rdf:type owl:ObjectProperty ;
-                   rdfs:subPropertyOf dhor:hasTimbreAttribute ;
-                   rdfs:comment "States if the timbre of a coat of arms displays a helmet."@en ;
-                   rdfs:label "helmetPresent"@en .
-
-
 ###  http://digitalheraldry.org/digital-heraldry-ontology/representation#locatedOnFolio
 dhor:locatedOnFolio rdf:type owl:ObjectProperty ;
                     rdfs:subPropertyOf dhor:locatedOnObject ;
@@ -138,13 +116,6 @@ dhor:locatedOnObject rdf:type owl:ObjectProperty ;
                                            dhor:PaintedArea .
 
 
-###  http://digitalheraldry.org/digital-heraldry-ontology/representation#mantlingPresent
-dhor:mantlingPresent rdf:type owl:ObjectProperty ;
-                     rdfs:subPropertyOf dhor:hasTimbreAttribute ;
-                     rdfs:comment "States if the timbre of a coat of arms displays a mantling."@en ;
-                     rdfs:label "mantlingPresent"@en .
-
-
 ###  http://digitalheraldry.org/digital-heraldry-ontology/representation#representedByDigitalImage
 dhor:representedByDigitalImage rdf:type owl:ObjectProperty ;
                                rdfs:comment "Link to an external resource that represents something as image or text."@en ;
@@ -164,6 +135,14 @@ dhor:textHasTranscription rdf:type owl:ObjectProperty ;
 #    Data properties
 #################################################################
 
+###  http://digitalheraldry.org/digital-heraldry-ontology/representation#crestPresent
+dhor:crestPresent rdf:type owl:DatatypeProperty ;
+                  rdfs:subPropertyOf dhor:hasTimbreAttribute ;
+                  rdfs:domain dhor:CoADescriptionAct ;
+                  rdfs:comment "States if the timbre of a coat of arms displays a crest."@en ;
+                  rdfs:label "crestPresent"@en .
+
+
 ###  http://digitalheraldry.org/digital-heraldry-ontology/representation#folioNumber
 dhor:folioNumber rdf:type owl:DatatypeProperty ;
                  rdfs:range rdfs:Literal ;
@@ -200,6 +179,28 @@ dhor:hasOMABranchID rdf:type owl:DatatypeProperty ;
                     rdfs:label "hasOMAid"@en .
 
 
+###  http://digitalheraldry.org/digital-heraldry-ontology/representation#hasTimbreAttribute
+dhor:hasTimbreAttribute rdf:type owl:DatatypeProperty ;
+                        rdfs:domain dhor:CoADescriptionAct ;
+                        rdfs:range xsd:boolean ;
+                        rdfs:comment "Describes the timbre of a CoatOfArmsRepresentation by a DescriptionAct"@en ;
+                        rdfs:label "hasTimbreAttribute"@en .
+
+
+###  http://digitalheraldry.org/digital-heraldry-ontology/representation#helmetPresent
+dhor:helmetPresent rdf:type owl:DatatypeProperty ;
+                   rdfs:subPropertyOf dhor:hasTimbreAttribute ;
+                   rdfs:comment "States if the timbre of a coat of arms displays a helmet."@en ;
+                   rdfs:label "helmetPresent"@en .
+
+
+###  http://digitalheraldry.org/digital-heraldry-ontology/representation#mantlingPresent
+dhor:mantlingPresent rdf:type owl:DatatypeProperty ;
+                     rdfs:subPropertyOf dhor:hasTimbreAttribute ;
+                     rdfs:comment "States if the timbre of a coat of arms displays a mantling."@en ;
+                     rdfs:label "mantlingPresent"@en .
+
+
 ###  http://digitalheraldry.org/digital-heraldry-ontology/representation#textHasPrimaryTranscription
 dhor:textHasPrimaryTranscription rdf:type owl:DatatypeProperty ;
                                  rdfs:domain dhor:TextualTranskription ;