(5) باب تَحْرِيمِ نِكَاحِ الْمُحْرِمِ وَكَرَاهَةِ خِطْبَتِهِ
Uthman b. 'Affan reported that Allah's Messenger (ﷺ) had said:
A Muhrim should neither marry himself, nor should he be got married to anyone, nor should he make the proposal of marriage. (IT)
Reference (IT): Sahih Muslim 1409 c (IT)
In-book reference (IT): Book 16, Hadith 51 (IT)
USC-MSA web (English) reference(deprecated numbering scheme): Book 8, Hadith 3280 (IT)