diff --git a/backend/src/main/java/org/raddatz/familienarchiv/controller/PersonController.java b/backend/src/main/java/org/raddatz/familienarchiv/controller/PersonController.java
index de2b7498..329a1969 100644
--- a/backend/src/main/java/org/raddatz/familienarchiv/controller/PersonController.java
+++ b/backend/src/main/java/org/raddatz/familienarchiv/controller/PersonController.java
@@ -66,6 +66,7 @@ public class PersonController {
         validatePersonNames(dto);
         if (dto.getFirstName() != null) dto.setFirstName(dto.getFirstName().trim());
         dto.setLastName(dto.getLastName().trim());
+        if (dto.getTitle() != null) dto.setTitle(dto.getTitle().trim());
         return ResponseEntity.ok(personService.createPerson(dto));
     }
 
@@ -75,6 +76,7 @@ public class PersonController {
         validatePersonNames(dto);
         if (dto.getFirstName() != null) dto.setFirstName(dto.getFirstName().trim());
         dto.setLastName(dto.getLastName().trim());
+        if (dto.getTitle() != null) dto.setTitle(dto.getTitle().trim());
         return ResponseEntity.ok(personService.updatePerson(id, dto));
     }
 
diff --git a/backend/src/test/java/org/raddatz/familienarchiv/controller/PersonControllerTest.java b/backend/src/test/java/org/raddatz/familienarchiv/controller/PersonControllerTest.java
index 34a92dbf..3e73a6ae 100644
--- a/backend/src/test/java/org/raddatz/familienarchiv/controller/PersonControllerTest.java
+++ b/backend/src/test/java/org/raddatz/familienarchiv/controller/PersonControllerTest.java
@@ -1,6 +1,9 @@
 package org.raddatz.familienarchiv.controller;
 
 import org.junit.jupiter.api.Test;
+import org.mockito.ArgumentCaptor;
+import org.raddatz.familienarchiv.exception.DomainException;
+import org.raddatz.familienarchiv.exception.ErrorCode;
 import org.raddatz.familienarchiv.model.Document;
 import org.raddatz.familienarchiv.model.Person;
 import org.raddatz.familienarchiv.model.PersonNameAlias;
@@ -25,6 +28,7 @@ import java.util.UUID;
 
 import org.raddatz.familienarchiv.dto.PersonSummaryDTO;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.verify;
@@ -243,6 +247,34 @@ class PersonControllerTest {
                 .andExpect(jsonPath("$.lastName").value("Verlag GmbH"));
     }
 
+    @Test
+    @WithMockUser(authorities = "WRITE_ALL")
+    void createPerson_trimsTitle_beforePersisting() throws Exception {
+        ArgumentCaptor<org.raddatz.familienarchiv.dto.PersonUpdateDTO> captor =
+                ArgumentCaptor.forClass(org.raddatz.familienarchiv.dto.PersonUpdateDTO.class);
+        Person saved = Person.builder().id(UUID.randomUUID()).firstName("Hans").lastName("Müller").build();
+        when(personService.createPerson(captor.capture())).thenReturn(saved);
+
+        mockMvc.perform(post("/api/persons")
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content("{\"firstName\":\"Hans\",\"lastName\":\"Müller\",\"title\":\"  Prof.  \",\"personType\":\"PERSON\"}"))
+                .andExpect(status().isOk());
+
+        assertThat(captor.getValue().getTitle()).isEqualTo("Prof.");
+    }
+
+    @Test
+    @WithMockUser(authorities = "WRITE_ALL")
+    void createPerson_returns400_whenPersonTypeIsSkip() throws Exception {
+        when(personService.createPerson(any())).thenThrow(
+                DomainException.badRequest(ErrorCode.INVALID_PERSON_TYPE, "SKIP is not a valid person type"));
+
+        mockMvc.perform(post("/api/persons")
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content("{\"lastName\":\"Müller\",\"personType\":\"SKIP\"}"))
+                .andExpect(status().isBadRequest());
+    }
+
     // ─── PUT /api/persons/{id} ────────────────────────────────────────────────
 
     @Test