We should know that Kitabe Masalik is the work of Hisham Ibn Sayabal Kalbi...

We should know that Kitabe Masalik is the work of Hisham Ibn Sayabal Kalbi, who was one of the great Sunni scholars and of such caliber that Ibn Majah and Tirmidhi consider him their teacher and a researcher like Baghawi has also extensively used his traditions for his Quranic commentary, Maalimut Tanzil. Ibn Taymiyyah considers him the greatest authority of genealogy. Sibte Ibn Jauzi and Ibn Khallikan also have gained a lot from him. This shows the status of the writer of Kitabe Masalik.

Now there remains no need to express any view on lineage of Umar. Thus, the proposal of Umar for Umme Kulthum, the daughter of Fatima, was detestable. However, that is actually with regard to some other Umme Kulthum; it has no connection with Umme Kulthum binte Fatima. [^1]: Ref. Ma’rif of Ibn Qutaibah. Previous…