Index: src/services/guardianship/handshake.js
===================================================================
--- src/services/guardianship/handshake.js	(revision 8b83cba3c913ba25bf488e535d2562506bc58441)
+++ src/services/guardianship/handshake.js	(revision abbb72a2d108bc5a3d5d84e3ddb6f81ca6a51427)
@@ -87,6 +87,12 @@
 }
 
-/** The existing guardians of a ward: local list, or the remote actor's shaer:guardians. */
-async function existingGuardiansOf(wardUri) {
+/**
+ * The existing guardians of a ward: local list, or the remote actor's
+ * shaer:guardians.
+ *
+ * Geexporteerd sinds shaer-lgo: de markeerroute had zijn EIGEN afleiding, en
+ * die was fout voor precies het geval dat telt (zie routes/guardian.js).
+ */
+export async function existingGuardiansOf(wardUri) {
   const local = deps.localSlug(wardUri);
   if (local) return relations.listGuardians(local).map((r) => r.other_uri);
@@ -627,3 +633,3 @@
 }
 
-export default { wireHandshake, handleOutbox, handleInbox, parseRelationship, parseUndoRelationship, endGuardianship, retryDeferred };
+export default { wireHandshake, handleOutbox, handleInbox, parseRelationship, parseUndoRelationship, endGuardianship, retryDeferred, existingGuardiansOf };
Index: src/services/guardianship/index.js
===================================================================
--- src/services/guardianship/index.js	(revision 8b83cba3c913ba25bf488e535d2562506bc58441)
+++ src/services/guardianship/index.js	(revision abbb72a2d108bc5a3d5d84e3ddb6f81ca6a51427)
@@ -18,5 +18,5 @@
 export { helpRequestProps, isHelpRequest, waveProps, isWave, awayProps, hasGuardiansProps, objectHasGuardians, externalEmbedsAllowed, externalPlaybackAllowed, wardGateAllowed } from './notes.js';
 export { wireDelivery, c2sVisibility, deliverDirectNote } from './delivery.js';
-export { wireHandshake, handleOutbox as handleGuardianshipOutbox, handleInbox as handleGuardianshipInbox, parseRelationship, parseUndoRelationship, endGuardianship } from './handshake.js';
+export { wireHandshake, handleOutbox as handleGuardianshipOutbox, handleInbox as handleGuardianshipInbox, parseRelationship, parseUndoRelationship, endGuardianship, existingGuardiansOf } from './handshake.js';
 export { offersCollection, followsCollection, outgoingFollowsCollection, logCollection, wardsCollection, guardiansCollection, helpCollection } from './queues.js';
 export * as availability from './availability.js';