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Arabs always regarded Banu Quraysh as descended from Ismail.  For this reason they refered to themselves as ""Arabatul Arbia"" or ""The real big Arabs"", and they refer to Banu Quraysh as ""Musta'arbia"" or ""Arabized Arabs"".  Banu Qurash are now more outside Arabia and majority of them have ceased to be Arabs, especially those who went to Central Asia, South Asia, and Far East e.g. Indonesia."