HOUSE 58 ATREIDES HOUSE to all of his ancestor's titles, and further named Siridar Count of Hoosak Norn, Odus-seus Atreides was named Count Chalcedony, and given vast estates in that system At the termination of the Regency in 1680, two decades of internecine war were used by Achilleus Atreides to further family interests The chaos of this period was such that an Impenunvwtde economic depression forced many of the Houses Minor, and several of the Houses Major, into bankruptcy or severe economic decline Achilleus Atreides, sometimes called the "Merchant Count," sold the family estates on Chalcedony, used the money to invest in CHOAM shares of undevel oped worlds, and then developed the raw resource**, selling the processed goods back to the Houses at huge profit By the time of the inauguration of Emperor Coffin IV, in 1701, AehiUeus was the richest man m the Impertum; he used his wealth to reduce the power of die Emperor His grandson, Phillipos m, together with his brother. Markos Atreides, forced a rapid turnover m t