The Arab genealogy is one of the widest, most accurate and accurate books of descent, with brevity and assimilation. Ibn Hazm had the opportunity to see the preceding genealogy, men, history, translations, and the like, so he was able to squeeze it all to extract this interconnected integrated image, which was characterized by mentioning men and companions, and the supervision of the Messenger family and their offspring, the caliphs and children of the caliphs and faces from the owners of the Sultan and the states and ask them. He did not forget about this to refer to the most important disciplinary, tribal and literary events, and the days of the Arabs and the well -known of their likes and news, with an investigation of all of this, and the statement of the dispute in it, with the sincere judgment