Hadith 8:553
Abu Bakr narrated to us, he said: Abu Mu'awiyah narrated to us, from al-A'mash, from Ibrahim, from Alqama, who said: Abdullah sent me with his sacrificial animal (hadi). He said: And he commanded me that if I slaughtered it, I should give a third of it in charity, eat a third, and send a third to the family of his brother.
حدثنا أبو بكر قال حدثنا أبو معاوية عن الأعمش عن إبراهيم عن علقمة قال بعث معي عبد الله بهديه قال وأمرني إن نحرته أن اتصدق بثلثه وآكل ثلثا وأبعث إلى أهل أخيه بثلث