diff --git a/docs/relationship.rst b/docs/relationship.rst
new file mode 100644
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--- /dev/null
+++ b/docs/relationship.rst
@@ -0,0 +1,11 @@
+#########################################
+The :class:`RelationshipCalculator` Class
+#########################################
+
+Contents:
+
+.. automodule:: Relationship
+.. autoclass:: RelationshipCalculator
+   :members:
+   :undoc-members:
+   :show-inheritance: