The Source of Traditions on Imam al-Riḍā (Vol 2) · Hadith 265 (#Ḥadīth #265)

265 - وَبِإِسْنادِهِ قالَ: قالَ النَّبِيُ صَلَّى اللهُ عَلَيْهِوَآلِهِ: إِنَّ فاطِمَة أَحصَنَت فَرجَها، فَحَرَّم اللَّهُ ذُرِّيَّتَها عَلَى النَّارِ.

31-265 According to the same documentation, the Prophet (S) said, “(The Blessed Lady) Fatima is chaste. Therefore, God forbade the Fire from touching her progeny.”

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).