diff --git a/backend/src/main/java/org/raddatz/familienarchiv/importing/PersonTreeImporter.java b/backend/src/main/java/org/raddatz/familienarchiv/importing/PersonTreeImporter.java
index 26ae0dcd..56eab828 100644
--- a/backend/src/main/java/org/raddatz/familienarchiv/importing/PersonTreeImporter.java
+++ b/backend/src/main/java/org/raddatz/familienarchiv/importing/PersonTreeImporter.java
@@ -79,12 +79,32 @@ public class PersonTreeImporter {
                 .notes(blankToNull(text(node, "notes")))
                 .birthYear(intOrNull(node, "birthYear"))
                 .deathYear(intOrNull(node, "deathYear"))
+                .generation(generationOrNull(node, personId))
                 .familyMember(node.path("familyMember").asBoolean(false))
                 .personType(PersonType.PERSON)
                 .provisional(false)
                 .build();
     }
 
+    /**
+     * Returns the JSON {@code generation} value if present and in
+     * {@value #GENERATION_MIN}..{@value #GENERATION_MAX}; null otherwise. Out-of-range
+     * values log a WARN but never abort the batch — mirrors the register-importer
+     * skip-and-warn policy.
+     */
+    private static Integer generationOrNull(JsonNode node, String personId) {
+        Integer raw = intOrNull(node, "generation");
+        if (raw == null) return null;
+        if (raw < GENERATION_MIN || raw > GENERATION_MAX) {
+            log.warn("Skipping out-of-range generation '{}' for person {}", raw, personId);
+            return null;
+        }
+        return raw;
+    }
+
+    private static final int GENERATION_MIN = 0;
+    private static final int GENERATION_MAX = 10;
+
     private int createRelationships(JsonNode relationships, Map<String, UUID> idByRowId) {
         int created = 0;
         for (JsonNode node : relationships) {
diff --git a/backend/src/test/java/org/raddatz/familienarchiv/importing/PersonTreeImporterTest.java b/backend/src/test/java/org/raddatz/familienarchiv/importing/PersonTreeImporterTest.java
index ce90d260..d43191bb 100644
--- a/backend/src/test/java/org/raddatz/familienarchiv/importing/PersonTreeImporterTest.java
+++ b/backend/src/test/java/org/raddatz/familienarchiv/importing/PersonTreeImporterTest.java
@@ -151,6 +151,65 @@ class PersonTreeImporterTest {
         verify(relationshipService, org.mockito.Mockito.never()).addRelationship(any(), any());
     }
 
+    // ─── generation (#689) ─────────────────────────────────────────────────────
+
+    @Test
+    void load_passesGenerationFromJson(@TempDir Path tempDir) throws Exception {
+        PersonService personService = mock(PersonService.class);
+        RelationshipService relationshipService = mock(RelationshipService.class);
+        when(personService.upsertBySourceRef(any())).thenAnswer(inv -> personOf(inv.getArgument(0)));
+        Path json = write(tempDir, """
+                {"persons":[
+                  {"rowId":"row_a","lastName":"Cram","firstName":"Herbert","familyMember":true,
+                   "personId":"herbert-cram","generation":3}
+                ],"relationships":[]}
+                """);
+
+        new PersonTreeImporter(personService, relationshipService).load(json.toFile());
+
+        ArgumentCaptor<PersonUpsertCommand> captor = ArgumentCaptor.forClass(PersonUpsertCommand.class);
+        verify(personService).upsertBySourceRef(captor.capture());
+        assertThat(captor.getValue().generation()).isEqualTo(3);
+    }
+
+    @Test
+    void load_returnsNullGeneration_whenAbsentFromJson(@TempDir Path tempDir) throws Exception {
+        PersonService personService = mock(PersonService.class);
+        RelationshipService relationshipService = mock(RelationshipService.class);
+        when(personService.upsertBySourceRef(any())).thenAnswer(inv -> personOf(inv.getArgument(0)));
+        Path json = write(tempDir, """
+                {"persons":[
+                  {"rowId":"row_a","lastName":"Cram","firstName":"Herbert","familyMember":true,
+                   "personId":"herbert-cram"}
+                ],"relationships":[]}
+                """);
+
+        new PersonTreeImporter(personService, relationshipService).load(json.toFile());
+
+        ArgumentCaptor<PersonUpsertCommand> captor = ArgumentCaptor.forClass(PersonUpsertCommand.class);
+        verify(personService).upsertBySourceRef(captor.capture());
+        assertThat(captor.getValue().generation()).isNull();
+    }
+
+    @Test
+    void load_skipsOutOfRangeGeneration_logsWarn_neverAborts(@TempDir Path tempDir) throws Exception {
+        PersonService personService = mock(PersonService.class);
+        RelationshipService relationshipService = mock(RelationshipService.class);
+        when(personService.upsertBySourceRef(any())).thenAnswer(inv -> personOf(inv.getArgument(0)));
+        Path json = write(tempDir, """
+                {"persons":[
+                  {"rowId":"row_a","lastName":"Cram","firstName":"Herbert","familyMember":true,
+                   "personId":"herbert-cram","generation":99}
+                ],"relationships":[]}
+                """);
+
+        new PersonTreeImporter(personService, relationshipService).load(json.toFile());
+
+        ArgumentCaptor<PersonUpsertCommand> captor = ArgumentCaptor.forClass(PersonUpsertCommand.class);
+        verify(personService).upsertBySourceRef(captor.capture());
+        assertThat(captor.getValue().generation()).isNull();
+    }
+
     private static Person personOf(PersonUpsertCommand cmd) {
         return Person.builder().id(UUID.randomUUID()).sourceRef(cmd.sourceRef()).lastName(cmd.lastName()).build();
     }