Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
tabarani:19282Muḥammad b. ʿAlī al-Madīnī Fustuqah

[Machine] "Fatimah, the daughter of the Messenger of Allah ﷺ , was known as the mother of her father. It is said that she was the youngest child of the Messenger of Allah ﷺ after Khadijah. It is also said that she was the twin of Abdullah, the son of the Messenger of Allah ﷺ ."  

الطبراني:١٩٢٨٢حَدَّثَنَا مُحَمَّدُ بْنُ عَلِيٍّ الْمَدِينِيُّ فُسْتُقَةُ قَالَ

«وَكَانَتْ فَاطِمَةُ بِنْتُ رَسُولِ اللهِ ﷺ تُكَنَّى أُمَّ أَبِيهَا يُقَالُ كَانَتْ أَصْغَرَ وَلَدِ رَسُولِ اللهِ ﷺ مِنْ خَدِيجَةَ وَيُقَالُ بَلْ كَانَتْ تَوْأَمَ عَبْدِ اللهِ ابْنِ رَسُولِ اللهِ ﷺ»