In his Al- Durriyat Al-Tahira...
In his Al- Durriyat Al-Tahira, he has reported several narrations regarding Umm Kulthum bint Fatima, daughter of the Holy Messenger of Allah, peace be upon him and his descendants. The first narration Al-Dulabi says, “I heard Ahmad ibn Abdul Jabbar saying: I heard Yunus ibn Bukair say that he had heard from Ibn Ishaq that Fatima, the daughter of the Holy Prophet (S), gave birth to three sons named Hasan, Husain and Mohsin. The latter died at a young age.
She also gave birth to two daughters named Umm Kulthum and Zainab.” The second narration Ibn Ishaq says, “Aasim ibn Umar ibn Qatadah narrated to me as such: Umar asked Ali for the hand of his daughter, Umm Kulthum in marriage and Ali replied that she had not yet attained the age (of maturity). Umar replied, “By Allah, this is not true…[^7] You do not want her to marry me.
If she is underage, send her to me.” Thus, Ali gave his daughter Umm Kulthum a dress and asked her to go to Umar and tell him that her…