▁some ▁of ▁which ▁were ▁against ▁non - Q ays i ▁tribes , ▁but ▁the ▁vast ▁majority ▁being ▁int ra - Q ays i ▁conflicts . ▁Histor ian ▁W . ▁Mong tom ery ▁W att ▁holds ▁that ▁in ▁the ▁history ▁of ▁A yy am ▁al - A rab , ▁only ▁individual ▁Q ays i ▁tribes ▁were ▁named , ▁rather ▁than ▁the ▁larger ▁conf eder ation . ▁According ly , ▁the ▁Q ays ▁did ▁not ▁function ▁as ▁a ▁unit ▁in ▁the ▁pre - I sl am ic ▁era . ▁Among ▁the ▁most ▁well - known ▁A yy am ▁batt les ▁was ▁the ▁Y aw m ▁Sh i ' b ▁J ab ala ▁between ▁the ▁Q ays i ▁' Am ir , ▁' Ab s , ▁Gh ani , ▁Bah ila ▁and ▁B aj ila ▁on ▁one ▁side ▁and ▁the ▁Q ays i ▁D h uby an ▁and ▁non - Q ays i ▁Tam im , ▁Lak hm , ▁Kind ah ▁and ▁Ban u ▁As ad ▁on ▁the ▁other ▁side . ▁The ▁long ▁war ▁of ▁D ah is ▁and ▁al - G hab ra ▁was ▁fought ▁between ▁the ▁' Ab s ▁and ▁D h uby an . ▁Like ▁other ▁central ▁Arab ian ▁tribes , ▁the ▁Q ays ▁were ▁part ▁of ▁the ▁Kind ite ▁Kingdom . ▁ ▁Early ▁Islam ic ▁period ▁In ▁the ▁beginning , ▁Q ays i ▁tribes ▁were ▁host ile ▁to ▁Muhammad ▁and ▁his ▁Islam ic ▁teach ings , ▁which ▁conflic ted ▁with ▁their ▁pag an ▁religion . ▁The ▁Gh ata fan ▁and ▁Sul ay