بُلُوغُ الْمَرَامِ
Bulugh al-Maram 1004
Marriage
وَعَنْ فَاطِمَةَ بِنْتِ قَيْسٍ ; أَنَّ اَلنَّبِيَّ - صلى الله عليه وسلم -قَالَ لَهَا : { اِنْكِحِي أُسَامَةَ } رَوَاهُ مُسْلِمٌ [1] .
Narrated Fatimah (RA), the daughter of Qais: The Prophet (ﷺ) told her, "Marry Usamah." [Reported by Muslim].
Sunnah.com reference: Book 8, Hadith 41