diff --git a/src/main/java/com/microsoft/lookup/BaseLookup.java b/src/main/java/com/microsoft/lookup/BaseLookup.java
index 8a8c477..7d3a513 100644
--- a/src/main/java/com/microsoft/lookup/BaseLookup.java
+++ b/src/main/java/com/microsoft/lookup/BaseLookup.java
@@ -10,11 +10,8 @@
 import com.sun.source.doctree.DocTree;
 import com.sun.source.doctree.LinkTree;
 import com.sun.source.doctree.LiteralTree;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-import java.util.Set;
+
+import java.util.*;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 import javax.lang.model.element.Element;
@@ -38,7 +35,7 @@ public abstract class BaseLookup<T extends Element> {
     }};
 
     protected Map<T, ExtendedMetadataFileItem> map = new HashMap<>();
-    private final DocletEnvironment environment;
+    public final DocletEnvironment environment;
 
     protected BaseLookup(DocletEnvironment environment) {
         this.environment = environment;
@@ -131,8 +128,10 @@ public List<TypeParameter> extractTypeParameters(T key) {
         return resolve(key).getTypeParameters();
     }
 
-    public String extractSuperclass(T key) {
-        return resolve(key).getSuperclassValue();
+    public List<String> extractSuperclass(T key) {
+        List<String> sortedList = resolve(key).getSuperclass();
+        Collections.reverse(sortedList);
+        return sortedList;
     }
 
     public List<String> extractInterfaces(T key) {
diff --git a/src/main/java/com/microsoft/lookup/ClassLookup.java b/src/main/java/com/microsoft/lookup/ClassLookup.java
index df24667..c703635 100644
--- a/src/main/java/com/microsoft/lookup/ClassLookup.java
+++ b/src/main/java/com/microsoft/lookup/ClassLookup.java
@@ -3,6 +3,8 @@
 import com.microsoft.lookup.model.ExtendedMetadataFileItem;
 import com.microsoft.model.MetadataFileItem;
 import com.microsoft.model.TypeParameter;
+
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
@@ -41,7 +43,7 @@ protected ExtendedMetadataFileItem buildMetadataFileItem(TypeElement classElemen
         result.setPackageName(packageName);
         result.setSummary(determineComment(classElement));
         populateContent(classElement, classSNameWithGenericsSupport, result);
-        result.setSuperclass(determineSuperclass(classElement));
+        result.setSuperclass(determineNestedSuperclass(classElement, result));
         result.setTypeParameters(determineTypeParameters(classElement));
         result.setTocName(classQName.replace(packageName.concat("."), ""));
 
@@ -101,6 +103,23 @@ String determineSuperclass(TypeElement classElement) {
         return String.valueOf(superclass);
     }
 
+    List<String> determineNestedSuperclass(TypeElement classElement, ExtendedMetadataFileItem result) {
+        List<String> nestedList = new ArrayList<>();
+
+        if (result.getSuperclass() != null) {
+            nestedList = result.getSuperclass();
+        }
+
+        TypeMirror supperclass = classElement.getSuperclass();
+        if (supperclass.getKind() != TypeKind.NONE) {
+            TypeElement supperClassElement = (TypeElement) environment.getTypeUtils().asElement(supperclass);
+            nestedList.add(supperClassElement.getQualifiedName().toString());
+            result.setSuperclass(nestedList);
+            determineNestedSuperclass(supperClassElement, result);
+        }
+        return nestedList;
+    }
+
     List<TypeParameter> determineTypeParameters(TypeElement element) {
         return element.getTypeParameters().stream()
             .map(typeParameter -> new TypeParameter(String.valueOf(typeParameter)))
diff --git a/src/main/java/com/microsoft/lookup/model/ExtendedMetadataFileItem.java b/src/main/java/com/microsoft/lookup/model/ExtendedMetadataFileItem.java
index 60446cb..15406ff 100644
--- a/src/main/java/com/microsoft/lookup/model/ExtendedMetadataFileItem.java
+++ b/src/main/java/com/microsoft/lookup/model/ExtendedMetadataFileItem.java
@@ -20,7 +20,7 @@ public class ExtendedMetadataFileItem extends MetadataFileItem {
     private Return returnValue;
     private String content;
     private List<TypeParameter> typeParameters;
-    private String superclass;
+    private List<String> superclass;
     private String tocName;
     private Set<MetadataFileItem> references = new LinkedHashSet<>();
 
@@ -88,11 +88,11 @@ public void setTypeParameters(List<TypeParameter> typeParameters) {
         this.typeParameters = typeParameters;
     }
 
-    public String getSuperclassValue() {
+    public List<String> getSuperclass() {
         return superclass;
     }
 
-    public void setSuperclass(String superclass) {
+    public void setSuperclass(List<String>  superclass) {
         this.superclass = superclass;
     }
 
diff --git a/src/main/java/com/microsoft/model/MetadataFileItem.java b/src/main/java/com/microsoft/model/MetadataFileItem.java
index 3c6af0c..eab5846 100644
--- a/src/main/java/com/microsoft/model/MetadataFileItem.java
+++ b/src/main/java/com/microsoft/model/MetadataFileItem.java
@@ -170,8 +170,8 @@ public List<String> getInheritance() {
         return inheritance;
     }
 
-    public void setInheritance(String superclass) {
-        this.inheritance = (superclass == null) ? null : Arrays.asList(superclass);
+    public void setInheritance(List<String> superclass) {
+        this.inheritance = (superclass == null) ? null : superclass;
     }
 
     public List<String> getInterfaces() {
diff --git a/src/test/java/com/microsoft/lookup/BaseLookupTest.java b/src/test/java/com/microsoft/lookup/BaseLookupTest.java
index 1e77d70..3ff7c83 100644
--- a/src/test/java/com/microsoft/lookup/BaseLookupTest.java
+++ b/src/test/java/com/microsoft/lookup/BaseLookupTest.java
@@ -222,7 +222,7 @@ public void testExtractMethods() {
         assertThat("Wrong content", baseLookup.extractContent(element), is(lastBuiltItem.getContent()));
         assertThat("Wrong typeParameters", baseLookup.extractTypeParameters(element),
             is(lastBuiltItem.getTypeParameters()));
-        assertThat("Wrong superclass", baseLookup.extractSuperclass(element), is(lastBuiltItem.getSuperclassValue()));
+        assertThat("Wrong superclass", baseLookup.extractSuperclass(element), is(lastBuiltItem.getSuperclass()));
         assertThat("Wrong interfaces", baseLookup.extractInterfaces(element), is(lastBuiltItem.getInterfaces()));
         assertThat("Wrong tocName", baseLookup.extractTocName(element), is(lastBuiltItem.getTocName()));
         assertThat("Wrong references", baseLookup.extractReferences(element), is(lastBuiltItem.getReferences()));
@@ -248,7 +248,7 @@ private ExtendedMetadataFileItem buildExtendedMetadataFileItem(Element element)
         result.setType("Some type");
         result.setContent("Some content");
         result.setTypeParameters(Arrays.asList(new TypeParameter("type param id")));
-        result.setSuperclass("Some ");
+        result.setSuperclass(Arrays.asList("Some "));
         result.setInterfaces(Arrays.asList("Some interface"));
         result.setTocName("Some toc name");
         result.addReferences(Set.of(new MetadataFileItem("ref uid")));
diff --git a/src/test/java/com/microsoft/model/MetadataFileItemTest.java b/src/test/java/com/microsoft/model/MetadataFileItemTest.java
index a4ef254..3183109 100644
--- a/src/test/java/com/microsoft/model/MetadataFileItemTest.java
+++ b/src/test/java/com/microsoft/model/MetadataFileItemTest.java
@@ -7,6 +7,7 @@
 import static org.junit.Assert.assertThat;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 import org.junit.Test;
 
@@ -133,7 +134,7 @@ public void setContentWhenSyntaxAlreadyPresent() {
     public void setInheritance() {
         MetadataFileItem object = new MetadataFileItem("123");
 
-        object.setInheritance("Some value");
+        object.setInheritance(Arrays.asList("Some value"));
 
         assertThat("Wrong inheritance size", object.getInheritance().size(), is(1));
         assertThat("Wrong inheritance content", object.getInheritance(), hasItem("Some value"));
diff --git a/src/test/resources/expected-generated-files/com.microsoft.samples.BasePartnerComponentString.yml b/src/test/resources/expected-generated-files/com.microsoft.samples.BasePartnerComponentString.yml
index 873c33b..67359f7 100644
--- a/src/test/resources/expected-generated-files/com.microsoft.samples.BasePartnerComponentString.yml
+++ b/src/test/resources/expected-generated-files/com.microsoft.samples.BasePartnerComponentString.yml
@@ -17,7 +17,8 @@ items:
   syntax:
     content: "public abstract class BasePartnerComponentString extends BasePartnerComponent<String>"
   inheritance:
-  - "com.microsoft.samples.BasePartnerComponent<java.lang.String>"
+  - "java.lang.Object"
+  - "com.microsoft.samples.BasePartnerComponent"
 - uid: "com.microsoft.samples.BasePartnerComponentString.BasePartnerComponentString(com.microsoft.samples.IPartner)"
   id: "BasePartnerComponentString(com.microsoft.samples.IPartner)"
   parent: "com.microsoft.samples.BasePartnerComponentString"
diff --git a/src/test/resources/expected-generated-files/com.microsoft.samples.SuperHero.yml b/src/test/resources/expected-generated-files/com.microsoft.samples.SuperHero.yml
index 4f3b622..738d893 100644
--- a/src/test/resources/expected-generated-files/com.microsoft.samples.SuperHero.yml
+++ b/src/test/resources/expected-generated-files/com.microsoft.samples.SuperHero.yml
@@ -28,6 +28,7 @@ items:
   syntax:
     content: "public class SuperHero extends Person implements Serializable, Cloneable"
   inheritance:
+  - "java.lang.Object"
   - "com.microsoft.samples.subpackage.Person"
   implements:
   - "java.io.Serializable"
diff --git a/src/test/resources/expected-generated-files/com.microsoft.samples.agreements.AgreementDetailsCollectionOperations.yml b/src/test/resources/expected-generated-files/com.microsoft.samples.agreements.AgreementDetailsCollectionOperations.yml
index 38c767e..6b594f5 100644
--- a/src/test/resources/expected-generated-files/com.microsoft.samples.agreements.AgreementDetailsCollectionOperations.yml
+++ b/src/test/resources/expected-generated-files/com.microsoft.samples.agreements.AgreementDetailsCollectionOperations.yml
@@ -17,6 +17,8 @@ items:
   syntax:
     content: "public class AgreementDetailsCollectionOperations extends BasePartnerComponentString implements IAgreementDetailsCollection"
   inheritance:
+  - "java.lang.Object"
+  - "com.microsoft.samples.BasePartnerComponent"
   - "com.microsoft.samples.BasePartnerComponentString"
   implements:
   - "com.microsoft.samples.agreements.IAgreementDetailsCollection"
diff --git a/src/test/resources/expected-generated-files/com.microsoft.samples.subpackage.CustomException.yml b/src/test/resources/expected-generated-files/com.microsoft.samples.subpackage.CustomException.yml
index 9e5959b..c1d5e08 100644
--- a/src/test/resources/expected-generated-files/com.microsoft.samples.subpackage.CustomException.yml
+++ b/src/test/resources/expected-generated-files/com.microsoft.samples.subpackage.CustomException.yml
@@ -16,6 +16,8 @@ items:
   syntax:
     content: "public class CustomException extends Exception"
   inheritance:
+  - "java.lang.Object"
+  - "java.lang.Throwable"
   - "java.lang.Exception"
 - uid: "com.microsoft.samples.subpackage.CustomException.CustomException(java.lang.String)"
   id: "CustomException(java.lang.String)"
diff --git a/src/test/resources/expected-generated-files/com.microsoft.samples.subpackage.Person.IdentificationInfo.Gender.yml b/src/test/resources/expected-generated-files/com.microsoft.samples.subpackage.Person.IdentificationInfo.Gender.yml
index 57e58c5..9cf6897 100644
--- a/src/test/resources/expected-generated-files/com.microsoft.samples.subpackage.Person.IdentificationInfo.Gender.yml
+++ b/src/test/resources/expected-generated-files/com.microsoft.samples.subpackage.Person.IdentificationInfo.Gender.yml
@@ -19,7 +19,8 @@ items:
   syntax:
     content: "public enum Person.IdentificationInfo.Gender extends Enum<Person.IdentificationInfo.Gender>"
   inheritance:
-  - "java.lang.Enum<com.microsoft.samples.subpackage.Person.IdentificationInfo.Gender>"
+  - "java.lang.Object"
+  - "java.lang.Enum"
 - uid: "com.microsoft.samples.subpackage.Person.IdentificationInfo.Gender.FEMALE"
   id: "FEMALE"
   parent: "com.microsoft.samples.subpackage.Person.IdentificationInfo.Gender"