diff --git a/rougail-pyproject.toml b/rougail-pyproject.toml
index deba1ad26..4df8c879e 100644
--- a/rougail-pyproject.toml
+++ b/rougail-pyproject.toml
@@ -25,7 +25,7 @@ classifiers = [
 
 ]
 dependencies = [
-    "ruamel.yaml ~= 0.19.1",
+    "ruamel.yaml ~= 0.19.1",  # same version as rougail-user-data-yaml
     "pydantic ~= 2.13.4",
     "rougail-base == 1.2.0rc3",
 ]
diff --git a/src/rougail/annotator/property.py b/src/rougail/annotator/property.py
index 9bd449791..c72d1c19c 100644
--- a/src/rougail/annotator/property.py
+++ b/src/rougail/annotator/property.py
@@ -77,6 +77,7 @@ class Annotator(Walk):
         """convert families"""
         for family in self.get_families():
             self.family_variable_property(family)
+            self.convert_tag(family)
             # collect for force_default_on_freeze
             if family.hidden:
                 if family.hidden is True:
@@ -164,13 +165,17 @@ class Annotator(Walk):
             self.objectspace.properties.add(path, "notunique", True)
         if variable.auto_save:
             self.objectspace.properties.add(path, "force_store_value", True)
-        if variable.tags:
-            for tag in variable.tags:
-                self.check_tag(tag, variable.xmlfiles)
-                self.objectspace.properties.add(variable.path, tag, True)
-            self.objectspace.informations.add(
-                variable.path, "tags", tuple(variable.tags)
-            )
+        self.convert_tag(variable)
+
+    def convert_tag(self, variable):
+        if not variable.tags:
+            return
+        for tag in variable.tags:
+            self.check_tag(tag, variable.xmlfiles)
+            self.objectspace.properties.add(variable.path, tag, True)
+        self.objectspace.informations.add(
+            variable.path, "tags", tuple(variable.tags)
+        )
 
     def check_tag(
         self,
diff --git a/src/rougail/convert/object_model.py b/src/rougail/convert/object_model.py
index 129d9618e..49261fc9e 100644
--- a/src/rougail/convert/object_model.py
+++ b/src/rougail/convert/object_model.py
@@ -1063,6 +1063,7 @@ class Family(BaseModel):
     # properties
     hidden: Union[bool, Calculation] = False
     disabled: Union[bool, Calculation] = False
+    tags: Optional[List[StrictStr]] = None
     # others
     namespace: Optional[StrictStr]
     path: StrictStr