diff --git a/hibernate-core/src/main/java/org/hibernate/loader/ast/internal/AbstractMultiNaturalIdLoader.java b/hibernate-core/src/main/java/org/hibernate/loader/ast/internal/AbstractMultiNaturalIdLoader.java
index 26ce6bb49c27..43f06b85e8c7 100644
--- a/hibernate-core/src/main/java/org/hibernate/loader/ast/internal/AbstractMultiNaturalIdLoader.java
+++ b/hibernate-core/src/main/java/org/hibernate/loader/ast/internal/AbstractMultiNaturalIdLoader.java
@@ -10,6 +10,7 @@
 import org.hibernate.engine.spi.EntityKey;
 import org.hibernate.engine.spi.PersistenceContext;
 import org.hibernate.engine.spi.SharedSessionContractImplementor;
+import org.hibernate.event.spi.EventSource;
 import org.hibernate.loader.ast.spi.MultiNaturalIdLoadOptions;
 import org.hibernate.loader.ast.spi.MultiNaturalIdLoader;
 import org.hibernate.metamodel.mapping.EntityMappingType;
@@ -31,7 +32,7 @@ public AbstractMultiNaturalIdLoader(EntityMappingType entityDescriptor) {
 	}
 
 	@Override
-	public <K> List<E> multiLoad(K[] naturalIds, MultiNaturalIdLoadOptions options, SharedSessionContractImplementor session) {
+	public <K> List<E> multiLoad(K[] naturalIds, MultiNaturalIdLoadOptions options, EventSource eventSource) {
 		assert naturalIds != null;
 
 		this.options = options;
@@ -41,41 +42,41 @@ public <K> List<E> multiLoad(K[] naturalIds, MultiNaturalIdLoadOptions options,
 		}
 
 		return options.isOrderReturnEnabled()
-				? performOrderedMultiLoad( naturalIds, options, session )
-				: performUnorderedMultiLoad( naturalIds, options, session );
+				? performOrderedMultiLoad( naturalIds, options, eventSource )
+				: performUnorderedMultiLoad( naturalIds, options, eventSource );
 	}
 
-	private <K> List<E> performUnorderedMultiLoad(K[] naturalIds, MultiNaturalIdLoadOptions options, SharedSessionContractImplementor session) {
+	private <K> List<E> performUnorderedMultiLoad(K[] naturalIds, MultiNaturalIdLoadOptions options, EventSource eventSource) {
 		if ( MultiKeyLoadLogging.MULTI_KEY_LOAD_LOGGER.isTraceEnabled() ) {
 			MultiKeyLoadLogging.MULTI_KEY_LOAD_LOGGER.tracef( "Unordered MultiLoad Starting - `%s`", getEntityDescriptor().getEntityName() );
 		}
 
 		return unorderedMultiLoad(
 				naturalIds,
-				session,
+				eventSource,
 				options.getLockOptions() == null ? LockOptions.NONE : options.getLockOptions()
 		);
 	}
 
-	protected abstract <K> List<E> unorderedMultiLoad(K[] naturalIds, SharedSessionContractImplementor session, LockOptions lockOptions);
+	protected abstract <K> List<E> unorderedMultiLoad(K[] naturalIds, EventSource eventSource, LockOptions lockOptions);
 
-	private <K> List<E> performOrderedMultiLoad(K[] naturalIds, MultiNaturalIdLoadOptions options, SharedSessionContractImplementor session) {
+	private <K> List<E> performOrderedMultiLoad(K[] naturalIds, MultiNaturalIdLoadOptions options, EventSource eventSource) {
 		if ( MultiKeyLoadLogging.MULTI_KEY_LOAD_LOGGER.isTraceEnabled() ) {
 			MultiKeyLoadLogging.MULTI_KEY_LOAD_LOGGER.tracef( "Ordered MultiLoad Starting - `%s`", getEntityDescriptor().getEntityName() );
 		}
 
 		return orderedMultiLoad(
 				naturalIds,
-				session,
+				eventSource,
 				options.getLockOptions() == null ? LockOptions.NONE : options.getLockOptions()
 		);
 	}
 
-	protected <K> List<E> orderedMultiLoad( K[] naturalIds, SharedSessionContractImplementor session, LockOptions lockOptions ) {
+	protected <K> List<E> orderedMultiLoad( K[] naturalIds, EventSource eventSource, LockOptions lockOptions ) {
 
-		unorderedMultiLoad( naturalIds, session, lockOptions );
+		unorderedMultiLoad( naturalIds, eventSource, lockOptions );
 
-		return handleResults( naturalIds, session, lockOptions );
+		return handleResults( naturalIds, eventSource, lockOptions );
 	}
 
 	protected <K> List<E> handleResults( K[] naturalIds, SharedSessionContractImplementor session, LockOptions lockOptions ) {
diff --git a/hibernate-core/src/main/java/org/hibernate/loader/ast/internal/MultiNaturalIdLoaderArrayParam.java b/hibernate-core/src/main/java/org/hibernate/loader/ast/internal/MultiNaturalIdLoaderArrayParam.java
index 3a9f5258d5d5..f2394f527694 100644
--- a/hibernate-core/src/main/java/org/hibernate/loader/ast/internal/MultiNaturalIdLoaderArrayParam.java
+++ b/hibernate-core/src/main/java/org/hibernate/loader/ast/internal/MultiNaturalIdLoaderArrayParam.java
@@ -8,7 +8,7 @@
 
 import org.hibernate.LockOptions;
 import org.hibernate.engine.spi.SessionFactoryImplementor;
-import org.hibernate.engine.spi.SharedSessionContractImplementor;
+import org.hibernate.event.spi.EventSource;
 import org.hibernate.loader.ast.spi.SqlArrayMultiKeyLoader;
 import org.hibernate.metamodel.mapping.EntityMappingType;
 import org.hibernate.metamodel.mapping.JdbcMapping;
@@ -44,11 +44,11 @@ protected BasicAttributeMapping getNaturalIdAttribute()  {
 	}
 
 	@Override
-	public <K> List<E> unorderedMultiLoad( K[] naturalIds, SharedSessionContractImplementor session, LockOptions lockOptions ) {
+	public <K> List<E> unorderedMultiLoad(K[] naturalIds, EventSource eventSource, LockOptions lockOptions ) {
 
-		final SessionFactoryImplementor sessionFactory = session.getFactory();
+		final SessionFactoryImplementor sessionFactory = eventSource.getFactory();
 
-		naturalIds = LoaderHelper.normalizeKeys( naturalIds, getNaturalIdAttribute(), session, sessionFactory );
+		naturalIds = LoaderHelper.normalizeKeys( naturalIds, getNaturalIdAttribute(), eventSource, sessionFactory );
 
 		final JdbcMapping arrayJdbcMapping = MultiKeyLoadHelper.resolveArrayJdbcMapping(
 				getNaturalIdMapping().getSingleJdbcMapping(),
@@ -60,7 +60,7 @@ public <K> List<E> unorderedMultiLoad( K[] naturalIds, SharedSessionContractImpl
 		final SelectStatement sqlAst = LoaderSelectBuilder.createSelectBySingleArrayParameter(
 				getLoadable(),
 				getNaturalIdAttribute(),
-				session.getLoadQueryInfluencers(),
+				eventSource.getLoadQueryInfluencers(),
 				lockOptions,
 				jdbcParameter,
 				sessionFactory
@@ -86,8 +86,8 @@ public LockOptions getLockOptions() {
 				null,
 				null,
 				lockOptions,
-				session.isDefaultReadOnly(),
-				session
+				eventSource.isDefaultReadOnly(),
+				eventSource
 		);
 	}
 
diff --git a/hibernate-core/src/main/java/org/hibernate/loader/ast/internal/MultiNaturalIdLoaderInPredicate.java b/hibernate-core/src/main/java/org/hibernate/loader/ast/internal/MultiNaturalIdLoaderInPredicate.java
index 262bdec8609b..9314c854e731 100644
--- a/hibernate-core/src/main/java/org/hibernate/loader/ast/internal/MultiNaturalIdLoaderInPredicate.java
+++ b/hibernate-core/src/main/java/org/hibernate/loader/ast/internal/MultiNaturalIdLoaderInPredicate.java
@@ -8,7 +8,7 @@
 
 import org.hibernate.LockOptions;
 import org.hibernate.engine.spi.SessionFactoryImplementor;
-import org.hibernate.engine.spi.SharedSessionContractImplementor;
+import org.hibernate.event.spi.EventSource;
 import org.hibernate.loader.ast.spi.SqlInPredicateMultiKeyLoader;
 import org.hibernate.metamodel.mapping.EntityMappingType;
 
@@ -22,9 +22,9 @@ public MultiNaturalIdLoaderInPredicate(EntityMappingType entityDescriptor) {
 	}
 
 	@Override
-	public <K> List<E> unorderedMultiLoad(K[] naturalIds, SharedSessionContractImplementor session, LockOptions lockOptions) {
+	public <K> List<E> unorderedMultiLoad(K[] naturalIds, EventSource eventSource, LockOptions lockOptions) {
 
-		final SessionFactoryImplementor sessionFactory = session.getFactory();
+		final SessionFactoryImplementor sessionFactory = eventSource.getFactory();
 
 		final int maxBatchSize;
 		if ( options.getBatchSize() != null && options.getBatchSize() > 0 ) {
@@ -32,7 +32,7 @@ public <K> List<E> unorderedMultiLoad(K[] naturalIds, SharedSessionContractImple
 		}
 		else {
 			maxBatchSize =
-					session.getJdbcServices().getJdbcEnvironment().getDialect()
+					eventSource.getJdbcServices().getJdbcEnvironment().getDialect()
 							.getMultiKeyLoadSizingStrategy().determineOptimalBatchLoadSize(
 									getEntityDescriptor().getNaturalIdMapping().getJdbcTypeCount(),
 									naturalIds.length,
@@ -50,12 +50,12 @@ public <K> List<E> unorderedMultiLoad(K[] naturalIds, SharedSessionContractImple
 					// `naturalId` here is the one passed in by the API as part of the values array
 					return getEntityDescriptor().getNaturalIdMapping().normalizeInput( naturalId );
 				},
-				session.getLoadQueryInfluencers(),
+				eventSource.getLoadQueryInfluencers(),
 				lockOptions,
 				sessionFactory
 		);
 
-		return batcher.multiLoad( naturalIds, session );
+		return batcher.multiLoad( naturalIds, eventSource );
 	}
 
 }
diff --git a/hibernate-core/src/main/java/org/hibernate/loader/ast/spi/MultiNaturalIdLoader.java b/hibernate-core/src/main/java/org/hibernate/loader/ast/spi/MultiNaturalIdLoader.java
index 4aa96b303666..d7698f92379c 100644
--- a/hibernate-core/src/main/java/org/hibernate/loader/ast/spi/MultiNaturalIdLoader.java
+++ b/hibernate-core/src/main/java/org/hibernate/loader/ast/spi/MultiNaturalIdLoader.java
@@ -6,7 +6,7 @@
 
 import java.util.List;
 
-import org.hibernate.engine.spi.SharedSessionContractImplementor;
+import org.hibernate.event.spi.EventSource;
 
 /**
  * Loader for entities by multiple natural-ids
@@ -24,5 +24,5 @@ public interface MultiNaturalIdLoader<E> extends EntityMultiLoader<E> {
 	 * values positioned according to "attribute ordering".  Simple natural-ids can also be expressed
 	 * by their simple (basic/embedded) type.
 	 */
-	<K> List<E> multiLoad(K[] naturalIds, MultiNaturalIdLoadOptions options, SharedSessionContractImplementor session);
+	<K> List<E> multiLoad(K[] naturalIds, MultiNaturalIdLoadOptions options, EventSource eventSource);
 }