diff --git a/CRM/Bij1migratie/CsvFile.php b/CRM/Bij1migratie/CsvFile.php
index a4c2258..0eb2c3c 100644
--- a/CRM/Bij1migratie/CsvFile.php
+++ b/CRM/Bij1migratie/CsvFile.php
@@ -3,6 +3,7 @@
 use CRM\Bij1migratie\Mapping\AirtableMapping;
 use CRM\Bij1migratie\Mapping\BetalingenMapping;
 use CRM\Bij1migratie\Mapping\ChargebacksMapping;
+use CRM\Bij1migratie\Mapping\PersonenMapping;
 use CRM_Bij1migratie_ExtensionUtil as E;
 
 /**
@@ -294,30 +295,30 @@ class CRM_Bij1migratie_CsvFile {
    * @throws Exception
    */
   private function sanitizePersonen(string $name, array &$data) {
+    $mapping = new PersonenMapping($data);
+    $value = $mapping->get($name);
+
     switch ($name) {
-      case "mollie_customer_id":
-        $data[$name] = $data[0];
+      case PersonenMapping::FIELD_MOLLIE_CUSTOMER_ID:
+      case PersonenMapping::FIELD_EMAIL:
+        $data[$name] = $value;
         break;
-      case "achternaam":
-        $naamDelen = explode(" ", $data[1]);
+      case PersonenMapping::FIELD_ACHTERNAAM:
+        $naamDelen = explode(" ", $data[1], 2);
         if (count($naamDelen) > 1) {
-          $data['voornaam'] = trim($naamDelen[0]);
-          unset($naamDelen[0]);
-          $data['achternaam'] = trim(implode(" ", $naamDelen));
+          $data[PersonenMapping::FIELD_VOORNAAM] = trim($naamDelen[0]);
+          $data[PersonenMapping::FIELD_ACHTERNAAM] = trim($naamDelen[1]);
         }
         else {
           if (!empty($naamDelen[0])) {
-            $data['achternaam'] = trim($naamDelen[0]);
+            $data[PersonenMapping::FIELD_ACHTERNAAM] = trim($naamDelen[0]);
           }
           else {
-            $data['achternaam'] = "Onbekend " . rand(0,9999);
+            $data[PersonenMapping::FIELD_ACHTERNAAM] = "Onbekend " . rand(0,9999);
           }
-          $data['voornaam'] = "Onbekend " . rand(0,9999);
+          $data[PersonenMapping::FIELD_VOORNAAM] = "Onbekend " . rand(0,9999);
         }
         break;
-      case "email":
-        $data[$name] = $data[2];
-        break;
     }
   }
 
diff --git a/CRM/Bij1migratie/Mapping/PersonenMapping.php b/CRM/Bij1migratie/Mapping/PersonenMapping.php
new file mode 100644
index 0000000..9c2758b
--- /dev/null
+++ b/CRM/Bij1migratie/Mapping/PersonenMapping.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace CRM\Bij1migratie\Mapping;
+
+class PersonenMapping extends AbstractMapping
+{
+    public const FIELD_MOLLIE_CUSTOMER_ID = 'mollie_customer_id';
+    public const FIELD_ACHTERNAAM = 'achternaam';
+    public const FIELD_EMAIL = 'email';
+    public const FIELD_VOORNAAM = 'voornaam';
+
+    private const MAPPING = [
+        self::FIELD_MOLLIE_CUSTOMER_ID => 0,
+        self::FIELD_ACHTERNAAM => 1,
+        self::FIELD_EMAIL => 2,
+    ];
+
+    public function getColumns(): array
+    {
+        return self::MAPPING;
+    }
+}