Sereus, Serenus, or Severus was the Duke of Aquitaine briefly following the dukedom of Austrovald. Monlezun`s reliance on the Charte d`Alaon makes it likely that this individual is spurious or misidentified. ==Sources== ... Found on http://en.wikipedia.org/wiki/Sereus
1) Duke of Aquitaine 
Sereus, Serenus, or Severus was the Duke of Aquitaine briefly following the dukedom of Austrovald. Monlezun`s reliance on the Charte d`Alaon makes it likely that this individual is spurious or misidentified. ==Sources== ...