Makhul narrates from the Prophet (peace and blessings be upon him) as mursal that Sayyiduna al-Zubayr (may Allah be pleased with him) was present at Khaybar with two horses, and the Prophet (peace and blessings be upon him) gave him five shares: one share for him and four shares for his horses. Al-Umari narrates from his brother that al-Zubayr (may Allah be pleased with him) took part on the day of Khaybar with several horses, but a share was allotted for him for only one horse.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب قسم الفيء والغنيمة / 12886