Mortality objects one wrote Sir biographies, written by Judge Ibn Khalkan (608 e -681 e), is a book one important books and specializes in the science of translations, which is one of the most important sources in the biography and history, he is a glossary in the biography, a book in history and from literary history, However, translations of the book rather than a history book, has been included Ibn Khalkan in some of his translations saffarid dynasty history and the history of the Seljuk state and the history of Ubaydi state and the history of the Ayyubid state. The son of Khalkan has translated more than 850 note of the various caliphs and princes, ministers and scientists and others