▁not ▁believe ▁and ▁follow ▁their ▁proph ets ▁and ▁mess engers . ▁ ▁" P ure ▁Arab s " ▁of ▁South ▁Arab ia , ▁desc ending ▁from ▁Q a ht an ▁son ▁of ▁Hud . ▁Some ▁of ▁the ▁Q a ht an ites ▁( Q a ht an is ) ▁are ▁said ▁to ▁have ▁migr ated ▁from ▁the ▁land ▁of ▁Y emen ▁following ▁the ▁destruction ▁of ▁the ▁Ma ' rib ▁Dam ▁( s add ▁Ma ' rib ). ▁ ▁The ▁" A rab ized ▁Arab s " ▁( must a ` rib ah ) ▁of ▁center ▁and ▁North ▁Arab ia , ▁desc ending ▁from ▁I sh ma el ▁the ▁elder ▁son ▁of ▁Abraham ▁through ▁his ▁desc endant ▁Ad nan . ▁Such ▁as ▁the ▁ancient ▁tribe ▁of ▁Haw az in , ▁or ▁the ▁modern - day ▁tribes ▁of ▁O ta ib ah ▁and ▁An azz ah . ▁▁ ▁Ab u ▁Ja ' far ▁al - B a q ir ▁( 6 7 6 – 7 4 3 ▁AD ) ▁wrote ▁that ▁his ▁father ▁Ali ▁ibn ▁Hus ay n ▁informed ▁him ▁that ▁proph et ▁Muhammad ▁had ▁said : ▁" The ▁first ▁whose ▁tongue ▁spoke ▁in ▁clear ▁Arab ic ▁was ▁I sh ma el , ▁when ▁he ▁was ▁four teen ▁years ▁old ." ▁H ish am ▁I bn ▁Muhammad ▁al - K al bi ▁( 7 3 7 – 8 1 9 ▁AD ) ▁established ▁a ▁gene alog ical ▁link ▁between ▁I sh ma el ▁and ▁Muhammad ▁using ▁writ ings ▁and ▁the ▁ancient ▁or al ▁trad itions