diff --git a/.meta.json b/.meta.json
index 601652e..e95aa0b 100644
--- a/.meta.json
+++ b/.meta.json
@@ -14,7 +14,7 @@
     },
     "libraries/DocumentQueries.sysml": {
       "algorithm": "SHA256",
-      "value": "c8f30ccffcc2c98609498c7cef83bbd5fdf74423230591721650bb4d1737f5b0"
+      "value": "d55d49583b4932c422535f3321c28a1a60268b02b5f6c451d2ef8d2704531e46"
     },
     "libraries/IdentityMetadata.sysml": {
       "algorithm": "SHA256",
@@ -69,7 +69,7 @@
       "value": "9e00f049209584092dc8bcb398b736c08e6a39b1db667a8a744de3df72a543bf"
     }
   },
-  "created": "2026-10-29T15:36:02Z",
+  "created": "2026-11-03T17:53:51Z",
   "index": {
     "AnalysisRecords": "libraries/AnalysisRecords.sysml",
     "DiagramLayout": "libraries/DiagramLayout.sysml",
diff --git a/libraries/DocumentQueries.sysml b/libraries/DocumentQueries.sysml
index 16c956b..42d8b35 100644
--- a/libraries/DocumentQueries.sysml
+++ b/libraries/DocumentQueries.sysml
@@ -15,10 +15,15 @@ library package DocumentQueries {
 	}
 
 	/* Descendants and Ancestors walk ownership from source to maxDepth levels;
-	 * maxDepth = null (the default) walks the whole tree. */
+	 * maxDepth = null (the default) walks the whole tree. Descendants walks the
+	 * owned members of each namespace; relationships = true walks ownership as
+	 * KerML 8.3.2.1 defines it instead — ownedRelationship, then the related
+	 * elements each relationship owns — so the memberships, specializations,
+	 * typings, feature values and the implicit elements they own are reached. */
 	calc def Descendants {
 		in source : Element[0..*] ordered;
 		in maxDepth : Integer[0..1] default null;
+		in relationships : Boolean[0..1] default false;
 		return result : Element[0..*] ordered;
 	}