Q:What key details about alexios iii angelos can be extracted from the following bio? Bio: alexios iii angelos -lrb- -rrb- -lrb- c. 1153 -- 1211 -rrb- was byzantine emperor from 1195 to 1203 . a member of the extended imperial family , alexios came to throne after deposing his brother in 1195 . the most significant event of his reign was the attack of the fourth crusade on constantinople in 1203 , on behalf of alexios iv angelos . alexios iii took over the defence of the city , which he mismanaged , then fled the city at night with one of his three daughters . from adrianople , and then mosynopolis , he unsuccessfully attempted to rally his supporters , only to end up a captive of marquis boniface of montferrat . he was ransomed , sent to asia minor where he plotted against his son-in-law theodore laskaris , but was eventually arrested and spent his last days confined to the monastery of hyakinthos in nicaea , where he died .
A:
- dynasty is angelos dynasty- issue is eirine angelina anna komnene angelina eudokia angelina- title is emperor of the byzantine empire- caption is alexios iii from '' promptuarii iconum insigniorum ''- reign is 1195 -- 1203- successor is isaac ii angelos and alexios iv angelos- spouse is euphrosyne doukaina kamatera- predecessor is isaac ii angelos- mother is euphrosyne kastamonitissa- death date is 1211- father is andronikos dukas angelos- birth date is c. 1153- name is alexios iii angelos ' - image is alexios iii - angelos.jpg