diff --git a/schema/core-person.json b/schema/core-person.json
index 5dca253..53b629d 100644
--- a/schema/core-person.json
+++ b/schema/core-person.json
@@ -11,8 +11,9 @@
         "name": {"$ref": "#/components/schemas/name"},
         "logon-id": {"$ref": "#/components/schemas/logon-id"},
         "iam-id": {"$ref": "#/components/schemas/iam-id"},
-        "priorSubject-id": {"$ref": "#/components/schemas/priorSubject-id"},
-        "ext-id": {"$ref": "#/components/schemas/ext-id"},
+        "prior-id": {"$ref": "#/components/schemas/prior-id"},
+        "sor-id": {"$ref": "#/components/schemas/sor-id"},
+        "sub-id": {"$ref": "#/components/schemas/sub-id"
         "birthDate": {"$ref": "#/components/schemas/birthDate"},
         "email": {"$ref": "#/components/schemas/email"},
         "phone": {"$ref": "#/components/schemas/phone"},
@@ -29,21 +30,25 @@
                     "nameType": {"type": "string"}
                 }
             },
+            
             "logon-id": {
                 "type": "string",
                 "description": "same as identifier/network in Core Attribute Specification. Mapped to target system ID, (__NAME__, in ConnID)"
             },
-            "subject-id": {
+            
+            "iam-id": {
                 "type": "string",
                 "description": "same as identifier/enterprise in Core Attribute Specification; created on inbound mapping(?)"
             },
-            "priorSubject-id": {
+            
+            "prior-id": {
                 "type": "array",
                 "items": {
                     "id": {"type": "string"}
                 }
             },
-            "ext-id": {
+            
+            "sor-id": {
                 "type": "array",
                 "items": {
                     "type": "object",
@@ -53,9 +58,13 @@
                         "source": {"type": "string"},
                         "id": {"type": "string"}
                     }
-
-                }
-            },
+                },
+                
+            "sub-id": {
+                "type": "string",
+                 "description": "Identifier used in federated scenarios, now SAML identifier profile 'subject-id'",
+             },
+                
             "birthDate": {"type": "string"},
             "email": {
                 "type": "array",
@@ -66,6 +75,7 @@
                     }
                 }
             },
+                
             "phone": {
                 "type": "array",
                 "description": "same as telephoneNumber in Core Attribute Specification",
@@ -77,6 +87,7 @@
                     }
                 }
             },
+                
             "personalPronoun": {"type": "string"}
         }
     }