The Dune Encyclopedia
This article or section refers to elements that appear exclusively in The Dune Encyclopedia.
Phillipos III Atreides was the grandson of Achilleus Atreides and brother of Markos Atreides.
Along with his brother, they continued the policy to prevent any person from achieving great power, forcing a rapid turnover in the occupants of the Imperial Chair. That age was known as the Era of the Princes.