Banu Aus (Arabic: بنو أوس )Meaning Aus Descendants) - Aus was the name of a famous person of this tribe In his name this tribe became famous as Banu Aus Banu Aws is one of the chief Arab tribes of Medina. After Muhammad (peace be upon him) and his companions migrated to Madinah, Banu Aws and Banu Khayraj (another tribe of Madinah) helped them in every possible way. As a result, Muhammad (peace be upon him) was pleased and bestowed the title of Ansar on both these tribes. Ansar means helpers. Aus and Khayraj were both Their father's name was Haricha bin Cha ' Laba And the mother's name is Qaylah bint Kahil 6 In the name of the mother, these two tribes together Banu Qaylah ( Banu Qila) Was also called.