Sayyiduna Anas (may Allah be pleased with him) narrates: the Prophet (peace and blessings be upon him) had two rams slaughtered for the aqiqah of Sayyiduna Imam Hasan (may Allah be pleased with him) and Sayyiduna Imam Husayn (may Allah be pleased with him).
Abu Ya'la and al-Bazzar recorded it in abridged form, and its narrators are thiqat (trustworthy).