A Muhrim should neithermarry (in that state) nor make the proposal of marriage.
Sahih Muslim Book 16, Hadith 52
← Previous Hadith A Muhrim should neither marry himself, nor should he be got married to anyone, nor should he make the proposal of marriage.

Sahih Muslim Book 16, Hadith 51 Next Hadith → I intend to marry Talha b. 'Umar and I earnestly desire you to be present there (in this ceremony of marriage). Aban said to him: I find you a block-headed 'Iraqi. I heard 'Uthman b. 'Affan say that Allah's Messenger (ﷺ) said: A Muhrim should not marry.

Sahih Muslim Book 16, Hadith 53