It was narrated from Ibn Mas'ud, that he was asked about a man who married a woman, but did not name a Mahr or consummate the marriage before he died. Ibn Mas'ud said:
"She should have a Mahr like that of women like her, no less and no more; she has to observe the 'Iddah, and she is entitled to inherit." Ma'qil bin Sinan Al-Ashja'i stood up and said: "The Messenger of Allah passed a similar judgment among us concerning Birwa' bint Washiq." And Ibn Masud rejoiced at that.
Reference: Sunan an-Nasa'i 3524 In-book : Book 27, Hadith 136 English translation : Vol. 4, Book 27, Hadith 3554
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