Abdullah bin Buraydah narrates from his father, Sayyiduna Buraydah (may Allah be pleased with him), who said: "The Messenger of Allah (peace and blessings be upon him) offered the aqiqah on behalf of Sayyiduna al-Hasan and Sayyiduna al-Husayn (may Allah be pleased with them both)."
Hadith Referenceالمعجم الكبير للطبراني / باب الحاء / 2561