diff --git a/src/Umbraco.Web.UI.Client/src/mocks/data/relations/relation.data.ts b/src/Umbraco.Web.UI.Client/src/mocks/data/relations/relation.data.ts
index 4576ad3078..ca46d6ca9e 100644
--- a/src/Umbraco.Web.UI.Client/src/mocks/data/relations/relation.data.ts
+++ b/src/Umbraco.Web.UI.Client/src/mocks/data/relations/relation.data.ts
@@ -1,65 +1,66 @@
+import { UmbEntityData } from '../entity.data.js';
 import type { RelationResponseModel } from '@umbraco-cms/backoffice/backend-api';
 
 export const data: Array<RelationResponseModel> = [
 	{
-		parentId: '1',
-		parentName: 'TEST Parent 1',
+		parentId: 'e0d39ff5-71d8-453f-b682-9d8d31ee5e06',
+		parentName: 'Relate Document On Copy',
 		childId: '2',
 		childName: 'Child 1',
 		createDate: '2021-01-01',
 		comment: 'Comment 1',
 	},
 	{
-		parentId: '1',
-		parentName: 'Parent 1',
+		parentId: 'e0d39ff5-71d8-453f-b682-9d8d31ee5e06',
+		parentName: 'Relate Document On Copy',
 		childId: '3',
 		childName: 'Child 2',
 		createDate: '2021-01-01',
 		comment: 'Comment 2',
 	},
 	{
-		parentId: '1',
-		parentName: 'Parent 1',
+		parentId: 'e0d39ff5-71d8-453f-b682-9d8d31ee5e06',
+		parentName: 'Relate Document On Copy',
 		childId: '4',
 		childName: 'Child 3',
 		createDate: '2021-01-01',
 		comment: 'Comment 3',
 	},
 	{
-		parentId: '1',
-		parentName: 'Parent 1',
+		parentId: 'e0d39ff5-71d8-453f-b682-9d8d31ee5e06',
+		parentName: 'Relate Document On Copy',
 		childId: '5',
 		childName: 'Child 4',
 		createDate: '2021-01-01',
 		comment: 'Comment 4',
 	},
 	{
-		parentId: '1',
-		parentName: 'Parent 1',
+		parentId: 'e0d39ff5-71d8-453f-b682-9d8d31ee5e06',
+		parentName: 'Relate Document On Copy',
 		childId: '6',
 		childName: 'Child 5',
 		createDate: '2021-01-01',
 		comment: 'Comment 5',
 	},
 	{
-		parentId: '1',
-		parentName: 'Parent 1',
+		parentId: 'e0d39ff5-71d8-453f-b682-9d8d31ee5e06',
+		parentName: 'Relate Document On Copy',
 		childId: '7',
 		childName: 'Child 6',
 		createDate: '2021-01-01',
 		comment: 'Comment 6',
 	},
 	{
-		parentId: '1',
-		parentName: 'Parent 1',
+		parentId: 'e0d39ff5-71d8-453f-b682-9d8d31ee5e06',
+		parentName: 'Relate Document On Copy',
 		childId: '8',
 		childName: 'Child 7',
 		createDate: '2021-01-01',
 		comment: 'Comment 7',
 	},
 	{
-		parentId: '1',
-		parentName: 'Parent 1',
+		parentId: 'e0d39ff5-71d8-453f-b682-9d8d31ee5e06',
+		parentName: 'Relate Document On Copy',
 		childId: '9',
 		childName: 'Child 8',
 		createDate: '2021-01-01',
@@ -74,6 +75,11 @@ class UmbRelationData extends UmbEntityData<RelationResponseModel> {
 	constructor() {
 		super(data);
 	}
+
+	getRelationsByParentId(id: string) {
+		const test = this.data.filter((relation) => relation.parentId === id);
+		return { items: test, total: test.length };
+	}
 }
 
 export const umbRelationData = new UmbRelationData();
diff --git a/src/Umbraco.Web.UI.Client/src/mocks/handlers/relations/relation/item.handlers.ts b/src/Umbraco.Web.UI.Client/src/mocks/handlers/relations/relation/item.handlers.ts
index 985c09b929..80bae2824b 100644
--- a/src/Umbraco.Web.UI.Client/src/mocks/handlers/relations/relation/item.handlers.ts
+++ b/src/Umbraco.Web.UI.Client/src/mocks/handlers/relations/relation/item.handlers.ts
@@ -1,36 +1,15 @@
 const { rest } = window.MockServiceWorker;
-import { umbRelationTypeData } from '../../../data/relations/relation-type.data.js';
+import { umbRelationData } from '../../../data/relations/relation.data.js';
 import { UMB_SLUG } from './slug.js';
 import { umbracoPath } from '@umbraco-cms/backoffice/utils';
 
 export const handlers = [
-	rest.get(umbracoPath(`/tree${UMB_SLUG}/root`), (req, res, ctx) => {
-		const rootItems = umbRelationTypeData.getTreeRoot();
-		const response = {
-			total: rootItems.length,
-			items: rootItems,
-		};
-		return res(ctx.status(200), ctx.json(response));
-	}),
+	rest.get(umbracoPath(`${UMB_SLUG}/type/:id`), (req, res, ctx) => {
+		const id = req.params.id as string;
+		if (!id) return;
 
-	rest.get(umbracoPath(`/tree${UMB_SLUG}/children`), (req, res, ctx) => {
-		const parentId = req.url.searchParams.get('parentId');
-		if (!parentId) return;
-
-		const children = umbRelationTypeData.getTreeItemChildren(parentId);
-
-		const response = {
-			total: children.length,
-			items: children,
-		};
+		const response = umbRelationData.getRelationsByParentId(id);
 
 		return res(ctx.status(200), ctx.json(response));
 	}),
-
-	rest.get(umbracoPath(`/tree${UMB_SLUG}/item`), (req, res, ctx) => {
-		const ids = req.url.searchParams.getAll('id');
-		if (!ids) return;
-		const items = umbRelationTypeData.getTreeItem(ids);
-		return res(ctx.status(200), ctx.json(items));
-	}),
 ];