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diff --git a/prolog/problems/family_relations/descendant_2/en.py b/prolog/problems/family_relations/descendant_2/en.py
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+id = 101
+name = 'descendant/2'
+slug = 'the descendant relation'
+
+description = '''\
+<p><code>descendant(X, Y)</code>: <code>X</code> is a descendant (child, grandchild,...) of <code>Y</code>.</p>
+<pre>
+  ?- descendant(patricia, X).
+    X = william ;
+    X = tina ;
+    X = thomas.
+</pre>'''
+
+hint = {}