title: Multiple Forms and Formsets in CreateView
body: <p>I have 2 models, <code>Father</code> and <code>Son</code>.</p>
  
  <p>I have a page to register <code>Father</code>. On the same page I have a formset to register <code>Son</code>.</p>
  
  <p>On page has a button "more" to add another <code>Father</code> and their respective <code>Son</code> on the same page.</p>
  
  <p>Does anyone have any examples using <code>CreateView</code>?</p>