Suspected by his ancient pupil Nero to be part of a conspiracy to depose him in favour of Piso, Seneca was forced to commit suicide.
Bouchard, Elsa. "Death of Seneca the Philosopher". The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=11434, accessed 16 September 2014.]