However , according to some other sources , Abu ' Ali was succeeded by his relative Abu'l - Hasan Taher .
A certain Muhtajid prince , Abu'l Muzaffar ibn Muhammad , probably the grandson of ' Abu Ali , was then appointed as the new ruler of Chaghaniyan .
According to some other sources , Abu Ali     was succeeded by Abu Ali 's relative Abu'l - Hasan Taher .
A certain Muhtajid prince , Abu'l Muzaffar ibn Muhammad , probably the grandson of ' Abu Ali , was then appointed as the new ruler of Chaghaniyan .