Sayyiduna Ibn Abbas (may Allah be pleased with them both) said: "Present at the Conquest of Makkah were one thousand eight hundred from Juhaynah, one thousand from Muzaynah, nine hundred from Banu Sulaym, four hundred and some from Banu Ghifar, and four hundred and some from Aslam."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 12062