The Aelia Paetina reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)
Aelia Paetina
Aelia Paetina was the second wife of the emperor Claudius, said to be a relative of Sejanus. In fact, she was his adoptive sister, Sejanus being originally of low birth, until he was adopted by the noble Aelian house.