Hadith 1228:7
Waki’ narrated to us, he said: Sufyan narrated to us, from ‘Asim ibn ‘Ubayd Allah, from ‘Ubayd Allah ibn Abi Rafi’, from his father: "That the Prophet, may Allah bless him and grant him peace, gave the Adhan in the ear of Al-Hasan ibn ‘Ali when Fatimah gave birth to him."
حدثنا وكيع، قال: حدثنا سفيان، عن عاصم بن عبيد الله، عن عبيد الله بن أبي رافع، عن أبيه، " أن النبي صلى الله عليه وسلم أذن في أذن الحسن بن علي حين ولدته فاطمة "