diff --git a/legend-engine-xts-relationalStore/legend-engine-xt-relationalStore-generation/legend-engine-xt-relationalStore-pure/src/main/resources/core_relational/relational/modelToModelToRelational/milestoned/nonMilestonedSourceToMilestonedTargetProperty.pure b/legend-engine-xts-relationalStore/legend-engine-xt-relationalStore-generation/legend-engine-xt-relationalStore-pure/src/main/resources/core_relational/relational/modelToModelToRelational/milestoned/nonMilestonedSourceToMilestonedTargetProperty.pure
new file mode 100644
index 00000000000..fe1c8d90a80
--- /dev/null
+++ b/legend-engine-xts-relationalStore/legend-engine-xt-relationalStore-generation/legend-engine-xt-relationalStore-pure/src/main/resources/core_relational/relational/modelToModelToRelational/milestoned/nonMilestonedSourceToMilestonedTargetProperty.pure
@@ -0,0 +1,112 @@
+// Copyright 2023 Goldman Sachs
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+###Pure
+import meta::pure::mapping::*;
+import meta::pure::milestoning::*;
+import meta::pure::graphFetch::tests::m2m2r::milestoning::*;
+import meta::pure::graphFetch::execution::*;
+import meta::pure::alloy::connections::alloy::specification::*;
+import meta::pure::alloy::connections::alloy::authentication::*;
+import meta::pure::runtime::*;
+
+//empty target property in result because source is not milestoned
+function <<test.Test, test.AlloyOnly>> meta::pure::graphFetch::tests::m2m2r::milestoning::nonMilestonedSourceToMilestonedTargetProperty::testWithHardcodedDate():Boolean[1]
+{
+  let mapping = meta::relational::tests::m2m2r::milestoning::nonMilestonedSourceToMilestonedTargetProperty::TargetToModelMappingWithMilestonedComplexProperty;
+  let runtime = getModelChainRuntime($mapping);
+
+   let query={|meta::relational::tests::milestoning::TargetProductMilestoned.all(%2023-10-15T00:00:00)->graphFetch(
+      #{
+        meta::relational::tests::milestoning::TargetProductMilestoned{
+          id,
+          name,
+          synonymsMilestoned(%2020-10-15T00:00:00)
+          {synonym}
+        }
+      }#
+    )->serialize(
+      #{
+        meta::relational::tests::milestoning::TargetProductMilestoned{
+          id,
+          name,
+          synonymsMilestoned(%2020-10-15T00:00:00)
+          {synonym}
+        }
+      }#
+    )
+    ->meta::pure::mapping::from($mapping,$runtime)
+    };
+   let result = meta::legend::executeLegendQuery($query, [], ^meta::pure::runtime::ExecutionContext(), meta::relational::extension::relationalExtensions());
+   assertJsonStringsEqual('{"builder":{"_type":"json"},"values":['+
+                                      '{"id":2,"name":"ProductName2","synonymsMilestoned(2020-10-15T00:00:00+0000)":[]},'+
+                                      '{"id":3,"name":"ProductName3","synonymsMilestoned(2020-10-15T00:00:00+0000)":[]}'+
+                                    ']}', $result);
+}
+
+//todo - fix source tree calc for allVersions on target
+function <<test.Test, test.AlloyOnly, test.ToFix>> meta::pure::graphFetch::tests::m2m2r::milestoning::nonMilestonedSourceToMilestonedTargetProperty::testAllVersionsQuery():Boolean[1]
+{
+  let mapping =meta::relational::tests::m2m2r::milestoning::nonMilestonedSourceToMilestonedTargetProperty::TargetToModelMappingWithMilestonedComplexProperty;
+  let runtime = getModelChainRuntime($mapping);
+
+   let query={|meta::relational::tests::milestoning::TargetProductMilestoned.all(%2023-10-15T00:00:00)->graphFetch(
+      #{
+        meta::relational::tests::milestoning::TargetProductMilestoned{
+          id,
+          name,
+          synonymsMilestonedAllVersions
+          {synonym}
+        }
+      }#
+    )->serialize(
+      #{
+        meta::relational::tests::milestoning::TargetProductMilestoned{
+          id,
+          name,
+          synonymsMilestonedAllVersions
+          {synonym}
+        }
+      }#
+    )
+    ->meta::pure::mapping::from($mapping,$runtime)
+    };
+   let result = meta::legend::executeLegendQuery($query, [], ^meta::pure::runtime::ExecutionContext(), meta::relational::extension::relationalExtensions());
+   assertJsonStringsEqual('{"builder":{"_type":"json"},"values":['+
+                                        '{"id":2,"name":"ProductName2","synonymNames":["GS-Mod-S0","GS-Mod-S1","GS-Mod-S2","GS-Mod-S3"]},'+
+                                        '{"id":3,"name":"ProductName3","synonymNames":["GS-Mod-S2","GS-Mod-S3"]}'+
+                                      ']}', $result);
+}
+
+
+###Mapping
+import meta::relational::tests::*;
+Mapping meta::relational::tests::m2m2r::milestoning::nonMilestonedSourceToMilestonedTargetProperty::TargetToModelMappingWithMilestonedComplexProperty
+(
+  include meta::relational::tests::milestoning::milestoningMapSmall
+ 
+  *meta::relational::tests::milestoning::TargetProductMilestoned: Pure
+  {
+    ~src meta::relational::tests::milestoning::ProductMilestoned
+    id: $src.id,
+    name: $src.name,
+    synonymsMilestonedAllVersions: $src.synonymsNonMilestoned
+  }
+  
+  *meta::relational::tests::milestoning::TargetProductSynonymMilestoned: Pure
+  {
+    ~src meta::relational::tests::milestoning::ProductSynonymNonMilestoned
+    synonym: $src.synonym
+  }
+)