Grandson of one of the last Ottoman sultans was buried here . `` His death marks the passing of an era , '' wrote Jason Goodwin , author of `` Lords of the Horizons , '' which tells the history of the Ottoman Empire , in an e-mail to CNN . Ertugrul Sultan died this year in Istanbul of kidney failure at the age of 97 . Sultan 's funeral attended by Turkish state officials , artists , and glitterati .
Grandson of one of the last Ottoman sultans was buried here . Ertugrul Sultan died this year in Istanbul of kidney failure at the age of 97 . Sultan 's funeral attended by Turkish state officials , artists , and glitterati .