The book of the lineage of Maad and the Great Yemen of Ibn al -Kalbi contains what came among the lineage scholars before it, which is like other great books, without the beginning of the era of blogging with the founding of the Abbasid caliphate, so the source from which every historian and genealogy was drawn from, so Al -Tabari relied on him and took Al -Balazhari a lot from him In his book The Ansators of the Supervisors. And all those who came after him became children. That is why Ibn Al -Kalbi's book has a place that has been said to have another Arabic book, and the researchers were interested in it in the past and modern. And the book by hand because of its beauty and a greater impact in the soul, and the difficulty