Biography of Sa'id mawla Kabirah
D'Arabic: Sa'id Mawla Karija bint Sufyan, washed the Prophet's ﷺ head.
Yahya b. Warqa b. Sa'id, from his father, said: My mother Karija bint Sufyan informed me, she had experienced both jahiliyya and Islam, and was one of the mubayi'at, said: I said: O Messenger of Allah, I have four daughters in jahiliyya? He said: 'I manumit four slaves': She said: So I manumitted my father Sa'id, his son Maysarah, Jubayr, and Maysarah's mother.
Authored by Ibn Mandah, and Abu Nu'aym.