Muwatta Malik 545
موطأ مالك#545SahihYahya related to me from Malik from Nafi that Abdullah ibn Umar used to say, "No-one should pray over a dead person unless he is in wudu." Yahya said that he heard Malik say, "I have not seen any person of knowledge disapproving of praying over either a child born of adultery or its mother
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliMauquf Sahih
In-book reference: 16:26