"We were with Umm Salamah and we were discussing Mahdi. She said: 'I heard the Messenger of Allah ﷺ say: "Mahdi will be one of the descendents of Fatimah."
كُنَّا عِنْدَ أُمِّ سَلَمَةَ فَتَذَاكَرْنَا الْمَهْدِيَّ فَقَالَتْ سَمِعْتُ رَسُولَ اللَّهِ ﷺ يَقُولُ الْمَهْدِيُّ مِنْ وَلَدِ فَاطِمَةَ