Maimunah bint Harith narrated:
that the Messenger of Allah married her when he was Halal (not in Ihram). (Sahih).He (one of the narrators-Yazid) said: "And she was my maternal aunt and the maternal aunt of Idn 'Abbas also." (PT)
English reference (PT): Vol. 3, Book 9, Hadith 1964 (PT)
Arabic reference (PT): Book 9, Hadith 2040 (PT)