diff --git a/frontend/src/lib/components/StammbaumSidePanel.svelte.spec.ts b/frontend/src/lib/components/StammbaumSidePanel.svelte.spec.ts
index f924bbd4..4d426a02 100644
--- a/frontend/src/lib/components/StammbaumSidePanel.svelte.spec.ts
+++ b/frontend/src/lib/components/StammbaumSidePanel.svelte.spec.ts
@@ -43,4 +43,30 @@ describe('StammbaumSidePanel', () => {
 		btn!.click();
 		expect(onClose).toHaveBeenCalledOnce();
 	});
+
+	it('renders the person displayName as heading', async () => {
+		render(StammbaumSidePanel, { node: makeNode(), onClose: vi.fn(), canWrite: false });
+		await expect.element(page.getByText('Alice Müller')).toBeInTheDocument();
+	});
+
+	it('shows empty-relationships message when no direct relationships are loaded', async () => {
+		render(StammbaumSidePanel, { node: makeNode(), onClose: vi.fn(), canWrite: false });
+		await expect.element(page.getByText('Noch keine Beziehungen bekannt.')).toBeInTheDocument();
+	});
+
+	it('shows loading indicator while fetching', async () => {
+		let resolveFirst: (v: unknown) => void;
+		vi.stubGlobal(
+			'fetch',
+			vi.fn().mockImplementation(
+				() =>
+					new Promise((resolve) => {
+						resolveFirst = resolve;
+					})
+			)
+		);
+		render(StammbaumSidePanel, { node: makeNode(), onClose: vi.fn(), canWrite: false });
+		await expect.element(page.getByText('…')).toBeInTheDocument();
+		resolveFirst!({ ok: true, json: () => Promise.resolve([]) });
+	});
 });