Sahih Muslim Book 31, Hadith Number 5944.
Chapter : The merits of Zubair and Talha (Allah be pleased with both of them).
Hisham reported on the authority of his father (‘Urwa b. Zubair) that ‘Aisha said: BY Allah, both fathers of yours are amongst those who have been mentioned in this verse: “Those who responded to the call of Allah and the Messenger after the misfortune had fallen upon them”.