▁of ▁Gh ani ; ▁they ▁were ▁collect ively ▁called ▁after ▁their ▁mother , ▁al - T uf awa . ▁The ▁Bah ila ▁was ▁the ▁other ▁large ▁sub - tri be ▁of ▁A ' sur , ▁and ▁its ▁found ers ▁were ▁the ▁sons ▁of ▁a ▁certain ▁Bah ila , ▁who , ▁at ▁different ▁times ▁was ▁the ▁wife ▁of ▁two ▁of ▁A ' sur ' s ▁sons , ▁Mal ik ▁and ▁Ma ' n ; ▁there ▁were ▁many ▁cl ans ▁of ▁the ▁Bah ila , ▁the ▁largest ▁being ▁the ▁Ban u ▁Q ut ay ba ▁and ▁Ban u ▁Wa ' il . ▁The ▁largest ▁sub - t rib es ▁of ▁the ▁Gh ata fan ▁were ▁the ▁Ban u ▁D h uby an ▁and ▁Ban u ▁' Ab s , ▁both ▁of ▁whose ▁found ers ▁were ▁sons ▁of ▁Bag h id ▁ibn ▁Ray th ▁ibn ▁Gh ata fan , ▁and ▁the ▁Ban u ▁Ash ja ', ▁whose ▁founder ▁was ▁a ▁son ▁of ▁Ray th ▁ibn ▁Gh ata fan . ▁From ▁Ban u ▁D h uby an ▁came ▁the ▁Ban u ▁F az ara , ▁whose ▁founder ▁was ▁a ▁son ▁of ▁D h uby an , ▁and ▁the ▁Ban u ▁Mur ra , ▁whose ▁founder ▁was ▁a ▁son ▁of ▁' A w f ▁ibn ▁Sa ' d ▁ibn ▁D h uby an . ▁ ▁' Am r ▁The ▁two ▁main ▁sub - t rib es ▁of ▁the ▁' Am r ▁branch ▁were ▁the ▁' Ad wan ▁and ▁F ah m , ▁both ▁founded ▁by ▁sons ▁of ▁'