, ▁Y ar rob , ▁Y arab ▁or ▁Y aar ub ) ▁is ▁an ▁ancient ▁Arab ic ▁personal ▁name . ▁He ▁is ▁the ▁grand son ▁of ▁Hud ▁ ▁being ▁the ▁son ▁of ▁Q a ht an ▁and ▁the ▁ancest or ▁of ▁the ▁Him yar ite ▁and ▁Sab ae an ▁k ings ▁of ▁Y emen . ▁A ▁similar ▁account ▁places ▁Ya ' r ub ▁as ▁Q a ht an ' s ▁grand son ▁( Y a ' r ub ▁bin ▁Y ash jub ▁bin ▁Q a ht an ) ▁and ▁holds ▁that ▁he ▁is ▁the ▁for ef ather ▁of ▁al - ' A rab ▁al - ' A rib a ▁(" the ▁arab ▁arab s " ▁or ▁" p ure ▁arab s "), ▁who ▁are ▁generally ▁identified ▁with ▁the ▁Q a ht an ites ▁and ▁its ▁two ▁main ▁tribes , ▁the ▁Him yar ▁and ▁the ▁K ahl an . ▁Some ▁legend ary ▁accounts ▁relate ▁that ▁Ya ' r ub ▁was ▁the ▁first ▁to ▁speak ▁Arab ic ▁and ▁that ▁the ▁language ▁was ▁named ▁for ▁him . ▁Sh ams - i ▁Q ais ▁R azi , ▁writing ▁in ▁the ▁ 1 2 - 1 3 th ▁century ▁CE , ▁trac ed ▁the ▁orig ins ▁of ▁Arab ic ▁poetry ▁to ▁Ya ' r ub ▁and ▁he ▁is ▁also ▁cred ited ▁with ▁having ▁invent ed ▁the ▁K uf ic ▁script . ▁ ▁An c est or ▁of ▁k ings ▁Ya ' r ub ▁was ▁said ▁to ▁be ▁one ▁of ▁greatest ▁Arab ▁k ings ; ▁he ▁was ▁the ▁first