diff --git a/triplify.py b/triplify.py
index 4d610f2..4fb95f6 100644
--- a/triplify.py
+++ b/triplify.py
@@ -61,7 +61,7 @@ class HsHTelephone(Base):
 
 #RDF
 from rdflib import Namespace
-from rdfalchemy import rdfSingle
+from rdfalchemy import rdfSingle, rdfMultiple
 from rdfalchemy.rdfSubject import rdfSubject
 
 from rdflib import Literal, BNode, Namespace, URIRef
@@ -140,8 +140,7 @@ class OboMembership(Thing):
 class Membership(OboMembership):
 	rdf_type = vivo.Position
 	label = rdfSingle(RDFS.label)
-	person = rdfSingle(vivo.relates)
-	organization = rdfSingle(vivo.relates)
+	relates = rdfMultiple(vivo.relates)
 	dateTimeInterval = rdfSingle(vivo.dateTimeInterval)
 
 class FacultyPosition(Membership):
@@ -269,9 +268,8 @@ def processMembership(membership, additionalIdSeq):
 
 	rdfM = OboMembership(membershipUri)
 	rdfM = Membership(membershipUri)
+	rdfM.relates = [personUri, organizationUri]
 	rdfM.label = getBusinessRoleName(membership)
-	rdfM.person = personUri
-	rdfM.organization = organizationUri
 	rdfM.dateTimeInterval = dtiUri
 
 	if membership.mBusinessRole.name == "ProfessorIn":