diff --git a/src/rougail/output_json/__init__.py b/src/rougail/output_json/__init__.py
index 1de0258..d31a8ed 100644
--- a/src/rougail/output_json/__init__.py
+++ b/src/rougail/output_json/__init__.py
@@ -126,49 +126,58 @@ class RougailOutputJson:
 
     def parse_family(
         self,
-        conf,
-        child,
+        parent,
+        parent_obj,
         namespace,
     ):
-        for option in conf:
-            if option.isoptiondescription():
-                if option.isleadership():
-                    parent = []
+        for child in parent:
+            if child.isoptiondescription():
+                if child.isleadership():
+                    child_obj = []
                     self.parse_sequence(
-                        option,
-                        parent,
+                        child,
+                        child_obj,
                     )
                 else:
                     if (
                         namespace is None
                         and self.support_namespace
-                        and option.group_type() is groups.namespace
+                        and child.group_type() is groups.namespace
                     ):
-                        subnamespace = option.name()
+                        subnamespace = child.name()
                     else:
                         subnamespace = namespace
-                    parent = {}
-                    self.parse_family(option, parent, subnamespace)
-                child[option.name()] = parent
+                    child_obj = self.get_default_family(child)
+                    self.parse_family(child, child_obj, subnamespace)
+                self.family_informations(parent, parent_obj, child, child_obj)
             else:
-                child[option.name()] = option.value.get()
+                self.variable_informations(parent_obj, child)
 
     def parse_sequence(
         self,
-        conf,
-        parent,
+        child,
+        obj,
     ):
-        leader, *followers = list(conf)
+        leader, *followers = list(child)
         leader_values = leader.value.get()
         for idx, leader_value in enumerate(leader_values):
             leader_dict = {leader.name(): leader_value}
-            parent.append(leader_dict)
+            obj.append(leader_dict)
             for follower in list(followers):
                 if follower.index() != idx:
                     continue
                 followers.remove(follower)
                 leader_dict[follower.name()] = follower.value.get()
 
+    def get_default_family(self, child):
+        return dict()
+
+    def family_informations(self, parent, parent_obj, child, child_obj):
+        parent_obj[child.name()] = child_obj
+
+    def variable_informations(self, parent_obj, child):
+        parent_obj[child.name()] = child.value.get()
+
 
 RougailOutput = RougailOutputJson
 
diff --git a/tests/results/test/00_7help.json b/tests/results/test/00_7help.json
index 1a797c5..6242dc5 100644
--- a/tests/results/test/00_7help.json
+++ b/tests/results/test/00_7help.json
@@ -1,4 +1,5 @@
 {
   "var1": "string1",
-  "var2": "string1"
+  "var2": "string1",
+  "var3": "string1"
 }
\ No newline at end of file
diff --git a/tests/results/test/20_7help_family.json b/tests/results/test/20_7help_family.json
index 7a15905..e826103 100644
--- a/tests/results/test/20_7help_family.json
+++ b/tests/results/test/20_7help_family.json
@@ -4,5 +4,8 @@
   },
   "family2": {
     "var": "string1"
+  },
+  "family3": {
+    "var": "string1"
   }
 }
\ No newline at end of file
diff --git a/tests/results/test_namespace/00_7help.json b/tests/results/test_namespace/00_7help.json
index bbe108c..f6b6d41 100644
--- a/tests/results/test_namespace/00_7help.json
+++ b/tests/results/test_namespace/00_7help.json
@@ -1,6 +1,7 @@
 {
   "rougail": {
     "var1": "string1",
-    "var2": "string1"
+    "var2": "string1",
+    "var3": "string1"
   }
 }
\ No newline at end of file
diff --git a/tests/results/test_namespace/20_7help_family.json b/tests/results/test_namespace/20_7help_family.json
index f789944..e855ba0 100644
--- a/tests/results/test_namespace/20_7help_family.json
+++ b/tests/results/test_namespace/20_7help_family.json
@@ -5,6 +5,9 @@
     },
     "family2": {
       "var": "string1"
+    },
+    "family3": {
+      "var": "string1"
     }
   }
 }
\ No newline at end of file
diff --git a/tests/results/test_namespace_read_write/00_7help.json b/tests/results/test_namespace_read_write/00_7help.json
index 174ee51..d126aae 100644
--- a/tests/results/test_namespace_read_write/00_7help.json
+++ b/tests/results/test_namespace_read_write/00_7help.json
@@ -1,6 +1,7 @@
 {
   "rougail": {
     "var1": null,
-    "var2": null
+    "var2": null,
+    "var3": null
   }
 }
\ No newline at end of file
diff --git a/tests/results/test_namespace_read_write/20_7help_family.json b/tests/results/test_namespace_read_write/20_7help_family.json
index 23b18b3..26af43c 100644
--- a/tests/results/test_namespace_read_write/20_7help_family.json
+++ b/tests/results/test_namespace_read_write/20_7help_family.json
@@ -5,6 +5,9 @@
     },
     "family2": {
       "var": null
+    },
+    "family3": {
+      "var": null
     }
   }
 }
\ No newline at end of file
diff --git a/tests/results/test_read_write/00_7help.json b/tests/results/test_read_write/00_7help.json
index be7160d..52a98ea 100644
--- a/tests/results/test_read_write/00_7help.json
+++ b/tests/results/test_read_write/00_7help.json
@@ -1,4 +1,5 @@
 {
   "var1": null,
-  "var2": null
+  "var2": null,
+  "var3": null
 }
\ No newline at end of file
diff --git a/tests/results/test_read_write/20_7help_family.json b/tests/results/test_read_write/20_7help_family.json
index a6c6baa..8f0329a 100644
--- a/tests/results/test_read_write/20_7help_family.json
+++ b/tests/results/test_read_write/20_7help_family.json
@@ -4,5 +4,8 @@
   },
   "family2": {
     "var": null
+  },
+  "family3": {
+    "var": null
   }
 }
\ No newline at end of file