private void CboxOuderActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_CboxOuderActionPerformed
        CboxGezin.removeAllItems();
        
        if (!CboxOuder.getSelectedItem().equals("Onbekend")) {
            Persoon p = (Persoon) CboxOuder.getSelectedItem();
            if (p != null) {
                for (Iterator<Gezin> q = p.getGezinnen(); q.hasNext();) {
                    this.CboxGezin.addItem(q.next());
                }
            }
        }
    }//GEN-LAST:event_CboxOuderActionPerformed