diff --git a/src/Bundle/ChillPersonBundle/Export/Filter/PersonFilters/GenderFilter.php b/src/Bundle/ChillPersonBundle/Export/Filter/PersonFilters/GenderFilter.php
index 12ab0ad02..5009e37d0 100644
--- a/src/Bundle/ChillPersonBundle/Export/Filter/PersonFilters/GenderFilter.php
+++ b/src/Bundle/ChillPersonBundle/Export/Filter/PersonFilters/GenderFilter.php
@@ -77,6 +77,7 @@ class GenderFilter implements
                 'Woman' => Person::FEMALE_GENDER,
                 'Man' => Person::MALE_GENDER,
                 'Both' => Person::BOTH_GENDER,
+                'Unknown' => Person::NO_INFORMATION,
                 'Not given' => 'null',
             ],
             'multiple' => true,
diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/VisGraph/i18n.js b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/VisGraph/i18n.js
index 6553a1762..474788f47 100644
--- a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/VisGraph/i18n.js
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/VisGraph/i18n.js
@@ -65,7 +65,8 @@ const visMessages = {
                 woman: "Féminin",
                 man: "Masculin",
                 both: "Neutre, non binaire",
-                undefined: "Non renseigné"
+                undefined: "Non renseigné",
+                unknown: "Non renseigné"
             }
         },
         error_only_one_person: "Une seule personne peut être sélectionnée !",
diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/VisGraph/vis-network.js b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/VisGraph/vis-network.js
index 6f9a2ac16..cb37c3661 100644
--- a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/VisGraph/vis-network.js
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/VisGraph/vis-network.js
@@ -153,6 +153,8 @@ const getGender = (gender) => {
             return visMessages.fr.visgraph.woman
         case 'man':
             return visMessages.fr.visgraph.man
+        case 'unknown':
+            return visMessages.fr.visgraph.unknown
         default:
             return visMessages.fr.visgraph.undefined
     }
diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/_components/OnTheFly/Person.vue b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/_components/OnTheFly/Person.vue
index 417260fa2..59a0eca48 100644
--- a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/_components/OnTheFly/Person.vue
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/_components/OnTheFly/Person.vue
@@ -293,6 +293,10 @@ export default {
                return 'fa-mars';
             case 'both':
                return 'fa-neuter';
+           case 'unknown':
+               return 'fa-genderless';
+           default:
+               return 'fa-genderless';
          }
       },
       genderTranslation() {
@@ -303,6 +307,10 @@ export default {
                return 'person.gender.man';
             case 'both':
                return 'person.gender.both';
+           case 'unknown':
+               return 'person.gender.unknown';
+           default:
+               return 'person.gender.unknown';
          }
       },
       feminized() {
diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/_js/i18n.js b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/_js/i18n.js
index dc6f2fcb4..e5f468494 100644
--- a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/_js/i18n.js
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/_js/i18n.js
@@ -37,6 +37,7 @@ const personMessages = {
             woman: "Féminin",
             man: "Masculin",
             both: "Neutre, non binaire",
+            unknown: "Non renseigné",
             undefined: "Non renseigné"
          },
          civility: {