diff --git a/backend/src/test/java/org/raddatz/familienarchiv/service/PersonNameParserTest.java b/backend/src/test/java/org/raddatz/familienarchiv/service/PersonNameParserTest.java
index 6139a60c..75eab4b2 100644
--- a/backend/src/test/java/org/raddatz/familienarchiv/service/PersonNameParserTest.java
+++ b/backend/src/test/java/org/raddatz/familienarchiv/service/PersonNameParserTest.java
@@ -169,6 +169,19 @@ class PersonNameParserTest {
                 .containsExactly("Dr.Fr.Zarncke");
     }
 
+    @Test
+    void split_alreadySpacedDotName_noDoubleSpacing() {
+        PersonNameParser.SplitName result = PersonNameParser.split("Dr. Fr. Zarncke");
+        assertThat(result.firstName()).isEqualTo("Dr. Fr.");
+        assertThat(result.lastName()).isEqualTo("Zarncke");
+    }
+
+    @Test
+    void slashSeparator_combinedWithDotCompressed() {
+        assertThat(PersonNameParser.parseReceivers("E.Rockstroh//Dr.Fr.Zarncke"))
+                .containsExactly("E.Rockstroh", "Dr.Fr.Zarncke");
+    }
+
     // --- parseReceivers — shared last name with full-name part ─────────────────
 
     @Test