diff --git a/django_postgresql_dag/models.py b/django_postgresql_dag/models.py
index f378277..dfb763b 100644
--- a/django_postgresql_dag/models.py
+++ b/django_postgresql_dag/models.py
@@ -374,6 +374,20 @@ def clan_edges(self):
             """
             return self.ancestors_edges() | self.descendants_edges()
 
+        def parent_edges(self):
+            return edge_model.objects.filter(
+                child__in=[
+                    self,
+                ],
+            )
+
+        def child_edges(self):
+            return edge_model.objects.filter(
+                parent__in=[
+                    self,
+                ],
+            )
+
         @staticmethod
         def circular_checker(parent, child):
             if child in parent.self_and_ancestors():
diff --git a/setup.py b/setup.py
index be3a905..e81dcf5 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 import os
 from setuptools import setup
 
-version = '0.1.4'
+version = '0.1.5'
 
 classifiers = [
     "Development Status :: 3 - Alpha",