diff --git a/cdp_backend/database/models.py b/cdp_backend/database/models.py
index 8e7807f1..37923263 100644
--- a/cdp_backend/database/models.py
+++ b/cdp_backend/database/models.py
@@ -742,6 +742,24 @@ def Example(cls) -> Model:
                 IndexedField(name="person_ref", order=Order.ASCENDING),
             )
         ),
+        IndexedFieldSet(
+            (
+                IndexedField(name="matter_ref", order=Order.ASCENDING),
+                IndexedField(name="person_ref", order=Order.ASCENDING),
+            )
+        ),
+        IndexedFieldSet(
+            (
+                IndexedField(name="person_ref", order=Order.ASCENDING),
+                IndexedField(name="event_ref", order=Order.ASCENDING),
+            )
+        ),
+        IndexedFieldSet(
+            (
+                IndexedField(name="person_ref", order=Order.ASCENDING),
+                IndexedField(name="matter_ref", order=Order.ASCENDING),
+            )
+        ),
     )