What key details about ali al-ridha can be extracted from the following bio? Bio: ali ibn musa al-rida -lrb- -rrb- also called abu al-hasan is commonly known as '' ali al-ridha '' -lrb- also spelled ali al-rida , ali reza , and ali riza -rrb- -lrb- 29 december 765 -- 23 august 818 -rrb- descendant of prophet muhammad and the eighth shia imam after his father musa al-kadhim and before his son muhammad al-jawad ; and was an imam of knowledge according to the zaydi -lrb- fiver -rrb- shia school and sufis . he lived in a period when abbasid caliphs were facing numerous difficulties the most important of which was shiite revolts . the caliph al-ma ' mun thought out a remedy for this problem by appointing al al-ridha as his successor , through which he could involve the imam in worldly affairs . however , according to shiite view , when al-ma ' mun saw that the imam gained even more popularity , he decided to correct his mistake by poisoning him . the imam was buried in a village in khorasan where afterwards gained its new name , mashhad , the place of martyrdom .
- successor is muhammad al-jawad- spouse is sabikah aka khayzuran- predecessor is musa al-kadhim- children is muhammad at-taqi- name is ali al-ridha -lrb- arabic for imam of surety -rrb-- parents is musa al-kadhim ummul banin najmah- religion is islam