diff --git a/backend/index.js b/backend/index.js
index f9c6219..dfb7c94 100644
--- a/backend/index.js
+++ b/backend/index.js
@@ -2,6 +2,7 @@ const express = require('express');
 const cors = require('cors');
 const { initializeApp, applicationDefault, cert } = require('firebase-admin/app');
 const { getFirestore, Timestamp, FieldValue } = require('firebase-admin/firestore');
+const { verifyIdToken } = require('firebase-admin/auth')
 
 const serviceAccount = require('./firebase.json');
 
@@ -48,6 +49,35 @@ app.post('/checkrelatiecode', async (req, res) => {
 
 
     } catch (e) {
-        return res.status(500).send({ error: e })
+        return res.status(500).send({ code: 'error', error: e })
+    }
+})
+
+app.post('/getrelatiecodes', async (req, res) => {
+    const { email } = req.body;
+
+    if (!email) return res.status(400).send({ code: 'no-email'})
+
+    try {
+        const ledenlijstRef = db.collection('ledenlijst')
+
+        const snapshot = await ledenlijstRef.where("email", "array-contains", email).get()
+        
+        if (snapshot.empty) {
+            res.status(400).send({ code: 'no-relatiecodes'})
+            return;
+        }
+
+        let relatiecodes = [];
+
+        snapshot.forEach(doc => {
+            relatiecodes.push(doc.id)
+        });
+
+        res.status(200).send({ code: 'success', relatiecodes: relatiecodes })
+
+
+    } catch (e) {
+        return res.status(500).send({ code: 'error', error: e })
     }
 })
\ No newline at end of file
diff --git a/frontend/app.vue b/frontend/app.vue
index 0841c99..39a64d2 100644
--- a/frontend/app.vue
+++ b/frontend/app.vue
@@ -17,7 +17,7 @@
 </template>
 
 <script setup>
-import { doc, getFirestore, serverTimestamp, writeBatch, collection, getDocs } from "firebase/firestore";
+import { doc, getFirestore, serverTimestamp, writeBatch, collection, getDoc } from "firebase/firestore";
 import { getAuth, onAuthStateChanged, signInWithEmailAndPassword } from "firebase/auth";
 
 const db = getFirestore()
@@ -27,25 +27,52 @@ const isAuthenticated = ref(false)
 const user = ref('frikandel')
 const auth = ref(null)
 const userLoaded = ref(false)
+const userData = ref(null)
+const userPersons = ref([])
 
 onMounted(() => {
     auth.value = getAuth()
 
-    onAuthStateChanged(auth.value, (usr) => {
+    onAuthStateChanged(auth.value, async (usr) => {
         if (usr) {
-            isAuthenticated.value = true
             user.value = usr
+
+            let docRef = doc(db, "users", user.value.uid);
+            let docSnap = await getDoc(docRef);
+
+            if (docSnap.exists()) {
+                const data = docSnap.data()
+                userData.value = data
+                getPersons(userData.value.relatiecodes)
+            }
+
+            isAuthenticated.value = true
+
         } else {
             isAuthenticated.value = false
             user.value = null
+            userData.value = null
+            userPersons.value = []
         }
 
         userLoaded.value = true
     })
 })
 
+const getPersons = async (persons) => {
+    userPersons.value = [];
+
+    for (let i = 0; i < persons.length; i++) {
+        const docRef = doc(db, "ledenlijst", persons[i]);
+        const docSnap = await getDoc(docRef);
+
+        if (docSnap.exists()) {
+            userPersons.value.push(docSnap.data())
+        }
+    }
+}
+
 const ledenlijst = ref([])
 
-
-provide('firebase', { db, ledenlijst, isAuthenticated, user, auth })
+provide('firebase', { db, ledenlijst, isAuthenticated, user, userData, userPersons, auth })
 </script>
\ No newline at end of file
diff --git a/frontend/components/Login.vue b/frontend/components/Login.vue
index 28769d5..6ae9818 100644
--- a/frontend/components/Login.vue
+++ b/frontend/components/Login.vue
@@ -43,8 +43,10 @@
 <script setup>
 import { useToast } from 'vue-toastification'
 import { createUserWithEmailAndPassword, signInWithEmailAndPassword } from "firebase/auth";
+import { doc, setDoc } from "firebase/firestore"; 
 
-const { auth } = inject('firebase')
+
+const { auth, db } = inject('firebase')
 
 const toast = useToast()
 
@@ -76,7 +78,7 @@ const submitLoginForm = () => {
                         Authorization: 'Basic WGVvdmFseXRlOmtNKjhuRXMzNTchalJlXm1KYnZrRSFOIw==',
                         'content-type': 'application/json'
                     },
-                    body: JSON.stringify({ email: form.value.email, relatiecode: form.value.password })
+                    body: JSON.stringify({ email: form.value.email, relatiecode: form.value.password.toUpperCase() })
                 }).then(response => response.json())
                     .then(response => {
                         disableButtons.value = false
@@ -87,8 +89,12 @@ const submitLoginForm = () => {
                         disableButtons.value = false
                         console.log(err)
 
-                        toast.error('Error while checking relatiecode')
+                        toast.error('Error met het controleren van relatiecode')
                     });
+            } else if (error.code === 'auth/wrong-password') {
+                toast.error('Verkeerde wachtwoord')
+            } else {
+                toast.error('Error met inloggen')
             }
 
             disableButtons.value = false
@@ -103,13 +109,44 @@ const submitCreateForm = () => {
     disableButtons.value = true
 
     createUserWithEmailAndPassword(auth.value, form.value.email, form.value.newPassword)
+        .then((userCredential) => {
+            fetch('http://test.xeovalyte.com:7289/getrelatiecodes', {
+                method: 'POST',
+                headers: {
+                    Authorization: 'Basic WGVvdmFseXRlOmtNKjhuRXMzNTchalJlXm1KYnZrRSFOIw==',
+                    'content-type': 'application/json'
+                },
+                body: JSON.stringify({ email: form.value.email })
+            }).then(response => response.json())
+                .then(response => {
+                    disableButtons.value = false
+                    if (response.code === 'error') return toast.error('Error tijdens maken van account')
+                    else if (response.code === 'success') {
+                        setDoc(doc(db, "users", userCredential.user.uid), {
+                            email: form.value.email,
+                            relatiecodes: [form.value.password.toUpperCase()],
+                            allRelatiecodes: response.relatiecodes,
+                        });
+
+                        if (response.relatiecodes.length > 1) {
+                            return navigateTo('/settings/config/managerelatiecodes')
+                        }
+                    }
+                })
+                .catch(err => {
+                    disableButtons.value = false
+                    console.log(err)
+
+                    toast.error('Error met het controleren van relatiecode')
+                });
+        })
         .catch((error) => {
             const errorCode = error.code;
             const errorMessage = error.message;
             
             console.log(error)
 
-            toast.error('Error while creating account')
+            toast.error('Error tijdens het maken van account')
         });
 }
 
diff --git a/frontend/pages/settings/config/managerelatiecodes.vue b/frontend/pages/settings/config/managerelatiecodes.vue
new file mode 100644
index 0000000..33eb0f1
--- /dev/null
+++ b/frontend/pages/settings/config/managerelatiecodes.vue
@@ -0,0 +1,12 @@
+<template>
+    <div>
+        Manage relatiecodes
+    </div>
+</template>
+
+<script setup>
+definePageMeta({
+    title: 'Beheer Personen',
+    key: 'back'
+})
+</script>
\ No newline at end of file