diff --git a/src/main/java/de/muenchen/rbs/kitafindereai/config/ModelMapperConfiguration.java b/src/main/java/de/muenchen/rbs/kitafindereai/config/ModelMapperConfiguration.java
index fe7db0a..c620161 100644
--- a/src/main/java/de/muenchen/rbs/kitafindereai/config/ModelMapperConfiguration.java
+++ b/src/main/java/de/muenchen/rbs/kitafindereai/config/ModelMapperConfiguration.java
@@ -56,16 +56,20 @@ public ModelMapper modelMapper() {
                 // map groups and add children
                 List<Group> groups = new ArrayList<>();
                 export.getDatensaetze().stream().forEach(kind -> {
-                    String groupId = kind.getVerGruppeId();
-
-                    Optional<Group> group = groups.stream().filter(g -> Objects.equals(groupId, g.getGroupId())).findAny();
-                    if (group.isEmpty()) {
-                        // Group is not present yet.
-                        groups.add(new Group(groupId, kind.getVerGruppe(),
-                                new ArrayList<>(List.of(mapper.map(kind, Child.class)))));
-                    } else {
-                        // Add to existing group
-                        group.get().getChildren().add(mapper.map(kind, Child.class));
+                    // ignore children with a deleted contract
+                    LocalDate careEnd = parseKitafinderDate(kind.getVerKuendigungZum());
+                    if(careEnd == null || careEnd.isBefore(LocalDate.now())) {
+                        String groupId = kind.getVerGruppeId();
+                        
+                        Optional<Group> group = groups.stream().filter(g -> Objects.equals(groupId, g.getGroupId())).findAny();
+                        if (group.isEmpty()) {
+                            // Group is not present yet.
+                            groups.add(new Group(groupId, kind.getVerGruppe(),
+                                    new ArrayList<>(List.of(mapper.map(kind, Child.class)))));
+                        } else {
+                            // Add to existing group
+                            group.get().getChildren().add(mapper.map(kind, Child.class));
+                        }
                     }
                 });
                 institute.setGroups(groups);
@@ -75,10 +79,7 @@ public ModelMapper modelMapper() {
         });
 
         Converter<String, LocalDate> dateConverter = context -> {
-            if (context.getSource() == null || context.getSource().length() == 0) {
-                return null;
-            }
-            return LocalDate.parse(context.getSource(), DATE_FORMATTER);
+            return parseKitafinderDate(context.getSource());
         };
 
         Converter<KitafinderKind, ChildAddress> adressConverter = context -> {
@@ -142,4 +143,11 @@ private void addParentIfExists(List<Parent> parentList, ParentType type, String
             parentList.add(new Parent(type, firstname, lastname));
         }
     }
+    
+    private LocalDate parseKitafinderDate(String dateString) {
+        if (dateString == null || dateString.length() == 0) {
+            return null;
+        }
+        return LocalDate.parse(dateString, DATE_FORMATTER);
+    }
 }
diff --git a/src/test/java/de/muenchen/rbs/kitafindereai/mapper/ModelMapperTest.java b/src/test/java/de/muenchen/rbs/kitafindereai/mapper/ModelMapperTest.java
index 749c995..c33fd54 100644
--- a/src/test/java/de/muenchen/rbs/kitafindereai/mapper/ModelMapperTest.java
+++ b/src/test/java/de/muenchen/rbs/kitafindereai/mapper/ModelMapperTest.java
@@ -164,5 +164,54 @@ void mapsKitafinderKindList() {
         assertThat(group3.get().getChildren().stream().map(k -> k.getFirstName()).toList())
                 .containsExactlyInAnyOrder(kind4.getKindVorname());
     }
+    
+
+
+    @Test
+    void mapsKitafinderKindListIgnoresDeletedContract() {
+        KitafinderKind kind1 = new KitafinderKind();
+        kind1.setKitaIdExtern("KITA-ID");
+        kind1.setKitaKitaname("KITA-NAME");
+        kind1.setKindVorname("vorname Test 1");
+        kind1.setKindNachname("nachname Test 1");
+        kind1.setVerGruppeId("gruppe id 1");
+        kind1.setVerGruppe("gruppe Test 1");
+        KitafinderKind kind2 = new KitafinderKind();
+        kind2.setKitaIdExtern("KITA-ID");
+        kind2.setKitaKitaname("KITA-NAME");
+        kind2.setKindVorname("vorname Test 2");
+        kind2.setKindNachname("nachname Test 2");
+        kind2.setVerGruppeId("gruppe id 1");
+        kind2.setVerGruppe("gruppe Test 1");
+        kind2.setVerKuendigungZum("31.12.2009");
+        KitafinderKind kind3 = new KitafinderKind();
+        kind3.setKitaIdExtern("KITA-ID");
+        kind3.setKitaKitaname("KITA-NAME");
+        kind3.setKindVorname("vorname Test 3");
+        kind3.setKindNachname("nachname Test 3");
+        kind3.setVerGruppeId("gruppe id 1");
+        kind3.setVerGruppe("gruppe Test 1");
+        kind3.setVerKuendigungZum("31.12.2999");
+        KitafinderKind kind4 = new KitafinderKind();
+        kind4.setKitaIdExtern("KITA-ID");
+        kind4.setKitaKitaname("KITA-NAME");
+        kind4.setKindVorname("vorname Test 4");
+        kind4.setKindNachname("nachname Test 4");
+        kind4.setVerGruppeId("gruppe id 1");
+
+        KitafinderExport source = new KitafinderExport(0, null, null, 4, List.of(kind1, kind2, kind3, kind4), null);
+
+        Institute dest = mapper.map(source, Institute.class);
+
+        assertThat(dest.getInstituteId()).isEqualTo("KITA-ID");
+        assertThat(dest.getInstituteName()).isEqualTo("KITA-NAME");
+        System.out.println(dest.getGroups().toString());
+        assertThat(dest.getGroups()).hasSize(1);
+
+        Optional<Group> group1 = dest.getGroups().stream().filter(g -> "gruppe id 1".equals(g.getGroupId())).findAny();
+        assertThat(group1).isNotEmpty();
+        assertThat(group1.get().getChildren().stream().map(k -> k.getFirstName()).toList())
+                .containsExactlyInAnyOrder(kind1.getKindVorname(), kind2.getKindVorname(), kind4.getKindVorname());
+    }
 
 }