diff --git a/Resources/Locale/en-US/_engine_lib.ftl b/Resources/Locale/en-US/_engine_lib.ftl
index 2ebba5d6b..d2db725c5 100644
--- a/Resources/Locale/en-US/_engine_lib.ftl
+++ b/Resources/Locale/en-US/_engine_lib.ftl
@@ -21,7 +21,8 @@ zzzz-object-pronoun = { GENDER($ent) ->
    }
 
 # Used internally by the DAT-OBJ() function.
-# Not used in en-US. Created for supporting other languages.
+# Not used in en-US. Created to support other languages.
+# (e.g., "to him," "for her")
 zzzz-dat-object = { GENDER($ent) ->
     [male] him
     [female] her
@@ -29,6 +30,16 @@ zzzz-dat-object = { GENDER($ent) ->
    *[neuter] it
    }
 
+# Used internally by the GENITIVE() function.
+# Not used in en-US. Created to support other languages.
+# e.g., "у него" (Russian), "seines Vaters" (German).
+zzzz-genitive = { GENDER($ent) ->
+    [male] his
+    [female] her
+    [epicene] their
+   *[neuter] its
+   }
+
 # Used internally by the POSS-PRONOUN() function.
 zzzz-possessive-pronoun = { GENDER($ent) ->
     [male] his
diff --git a/Robust.Shared/Localization/LocalizationManager.Functions.cs b/Robust.Shared/Localization/LocalizationManager.Functions.cs
index 816126176..0704f2b34 100644
--- a/Robust.Shared/Localization/LocalizationManager.Functions.cs
+++ b/Robust.Shared/Localization/LocalizationManager.Functions.cs
@@ -23,6 +23,7 @@ namespace Robust.Shared.Localization
             AddCtxFunction(bundle, "SUBJECT", FuncSubject);
             AddCtxFunction(bundle, "OBJECT", FuncObject);
             AddCtxFunction(bundle, "DAT-OBJ", FuncDatObj);
+            AddCtxFunction(bundle, "GENITIVE", FuncGenitive);
             AddCtxFunction(bundle, "POSS-ADJ", FuncPossAdj);
             AddCtxFunction(bundle, "POSS-PRONOUN", FuncPossPronoun);
             AddCtxFunction(bundle, "REFLEXIVE", FuncReflexive);
@@ -212,6 +213,15 @@ namespace Robust.Shared.Localization
             return new LocValueString(GetString("zzzz-dat-object", ("ent", args.Args[0])));
         }
 
+        /// <summary>
+        /// Returns the respective genitive form (pronoun or possessive adjective) for the entity's gender.
+        /// This is used in languages with a genitive case to indicate possession or related relationships,
+        /// e.g., "у него" (Russian), "seines Vaters" (German).
+        private ILocValue FuncGenitive(LocArgs args)
+        {
+            return new LocValueString(GetString("zzzz-genitive", ("ent", args.Args[0])));
+        }
+
         /// <summary>
         /// Returns the respective possessive adjective (his, her, their, its) for the entity's gender.
         /// </summary>