It is narrated with the same chain that the Prophet (peace and blessings be upon him) allotted a share of the spoils to Sayyiduna Sa'd bin Sa'd (may Allah be pleased with him) on the day of Badr; and he was the brother of Sayyiduna Sahl bin Sa'd (may Allah be pleased with him).
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 5697