diff --git a/src/controllers/OrganizationDotnetController.ts b/src/controllers/OrganizationDotnetController.ts
index ddac1c70..89fec9d1 100644
--- a/src/controllers/OrganizationDotnetController.ts
+++ b/src/controllers/OrganizationDotnetController.ts
@@ -117,6 +117,27 @@ export class OrganizationDotnetController extends Controller {
           condition = "1=1";
           break;
       }
+    } else if (body.role === "BROTHER") {
+      switch (body.node) {
+        case 0:
+          condition = "orgRoot.ancestorDNA = :nodeId";
+          break;
+        case 1:
+          condition = "orgRoot.ancestorDNA = :nodeId";
+          break;
+        case 2:
+          condition = "orgChild1.ancestorDNA = :nodeId";
+          break;
+        case 3:
+          condition = "orgChild2.ancestorDNA = :nodeId";
+          break;
+        case 4:
+          condition = "orgChild3.ancestorDNA = :nodeId";
+          break;
+        default:
+          condition = "1=1";
+          break;
+      }
       conditionParams = { nodeId: body.nodeId };
     } else if (body.role === "ROOT") {
       condition = "orgRoot.ancestorDNA = :nodeId";