Sahih Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Volume: 005 / Book Number: 059 / Hadith Number: 346
Narrated Mahmud bin Ar-Rabi:
That 'Itban bin Malik who was one of the companions of the Prophet and one of the warriors of Badr, came to Allah's Apostle.