▁ended ▁with ▁his ▁execution ▁in ▁ 1 4 0 6 . ▁Nu ' ay r ' s ▁son ▁I jl ▁had ▁s ided ▁against ▁his ▁father ▁and ▁back ed ▁Sultan ▁an - N as ir ▁Far aj , ▁who ▁appointed ▁him ▁in ▁place ▁of ▁Nu ' ay r . ▁After ▁I jl ▁was ▁killed ▁by ▁a ▁M aml uk ▁re bel ▁in ▁ 1 4 1 2 , ▁the ▁power ▁of ▁the ▁Al ▁F ad l ▁largely ▁dimin ished . ▁Non eth eless , ▁members ▁of ▁the ▁cl an ▁from ▁Hay ar ' s ▁line ▁continued ▁to ▁fill ▁the ▁post ▁of ▁am ir ▁al - ʿ arab , ▁with ▁Hus ay n ▁ibn ▁Nu ' ay r ▁succeed ing ▁F ad l . ▁However , ▁from ▁then ▁on , ▁mentions ▁of ▁the ▁im ar at ▁al - ʿ arab ▁" in ▁the ▁histor ies ▁are ▁sc ant y ▁and ▁confused ", ▁according ▁to ▁historian ▁A . ▁S . ▁T rit ton . ▁In ▁ 1 4 2 7 , ▁Nu ' ay r ' s ▁grand son , ▁Ad h ra ▁ibn ▁Ali , ▁was ▁killed ▁by ▁his ▁cousin ▁Q ir q mas ▁and ▁succeeded ▁by ▁his ▁brother ▁M ud lij ▁ibn ▁Ali , ▁who ▁too ▁was ▁killed ▁by ▁Q ir q mas ▁in ▁ 1 4 2 9 . ▁Q ir q mas ▁died ▁in ▁ 1 4 3 6 , ▁though ▁it ▁is ▁not ▁clear ▁if ▁he ▁had ▁been ▁appointed ▁am ir ▁al - ʿ arab . ▁A ▁grand son ▁of