diff --git a/frontend/src/lib/family_tree/AddRelationship.svelte b/frontend/src/lib/family_tree/AddRelationship.svelte
new file mode 100644
index 0000000..7a5e771
--- /dev/null
+++ b/frontend/src/lib/family_tree/AddRelationship.svelte
@@ -0,0 +1,69 @@
+<script>
+	import { PUBLIC_API_URL } from '$env/static/public';
+	import { setFamilyTreeNodes } from './setFamilyTreeNodes';
+	export let showPanel = false;
+	export let id = '';
+	let relationship = '';
+	let second_person_id = '';
+	let dialog; // HTMLDialogElement
+
+	function handleSubmit(event) {
+		event.preventDefault();
+
+		if (second_person_id && id && relationship) {
+			const payload = {
+				first_person_id: id,
+				second_person_id: second_person_id,
+				relationship: relationship,
+				direction: '->'
+			};
+
+			fetch(PUBLIC_API_URL + '/relationship', {
+				method: 'POST',
+				headers: {
+					'Content-Type': 'application/json'
+				},
+				body: JSON.stringify(payload)
+			}).then((response) => {
+				if (response.ok) {
+					showPanel = false;
+					setFamilyTreeNodes();
+					dialog.close();
+				} else {
+					alert('Failed to add relationship! with status ' + response.status);
+				}
+			});
+		} else {
+			alert('You have to fill out all the fields!');
+		}
+	}
+
+	$: if (dialog && showPanel) dialog.showModal();
+</script>
+
+<dialog bind:this={dialog} class="modal bg-base-300">
+	<div class="modal-box w-11/12 max-w-5xl">
+		<form method="dialog">
+			<button class="btn btn-sm btn-circle btn-ghost absolute right-2 top-2">✕</button>
+		</form>
+		<h1>Add a relationship</h1>
+		<p>
+			Ask your relative to give you their id and set what kind of relationship you have with them.
+		</p>
+		<form on:submit={handleSubmit} method="dialog">
+			<label for="id">ID:</label>
+			<input type="text" id="id" bind:value={id} required />
+
+			<label for="relationship">Relationship type:</label>
+			<select id="relationship" bind:value={relationship} required>
+				<option value="" disabled selected>Choose one ...</option>
+				<option value="Parent">Parent</option>
+				<option value="Child">Child</option>
+				<option value="Spouse">Spouse</option>
+				<option value="Sibling">Sibling</option>
+			</select>
+
+			<button type="submit" class="btn btn-primary">Add</button>
+		</form>
+	</div>
+</dialog>