Title: Emperor An of Jin
Content:  Emperor An of Jin (382–419), personal name Sima Dezong (司馬德宗), was an emperor of the Eastern Jin Dynasty (266–420) in China. He was described as so developmentally disabled that he was unable to speak, clothe himself, or be able to express whether he was hungry or full. He was created crown prince in 387 and ascended the throne in 397. Because of his disability, the actual power was controlled by his uncle, Sima Daozi, Prince of Kuaiji. During his reign, regents and warlords dominated the Jin regime. Revolts by various governors also ravaged the land. From 398 to 403, there were constant revolts and civil war campaigns. In 403, the Jin regime was usurped by 
Title: Emperor An of Jin
Content:  warlord Huan Xuan, and while Emperor An was restored in 404, the Jin Dynasty was nearing its end. With the warlord Liu Yu as the actual power, Jin destroyed Southern Yan and Later Qin, greatly expanding its territory. However, with Liu Yu up in the north, the renegade governor of Guang Province (廣州, modern Guangdong and Guangxi), Lu Xun, rebelled and threatened the capital city Jiankang, before Liu Yu returned and crushed the revolt. In 419, Emperor An was strangled under the order of Liu Yu and replaced with his brother Emperor Gong, who would be the last emperor of the dynasty, before Liu Yu would take the throne and establish the Liu Song Dynasty.
Title: Emperor An of Jin
Content: Empress Anxi, of the Wang clan of Langya (安僖皇后 琊瑯王氏; 384–412), first cousin, personal name Shen'ai (神愛) Consorts:
Title: Emperor An of Jin
Content: Longan (隆安 lóng ān) February 13, 397 – February 17, 402 ; Yuanxing (元興 yuán xīng) February 18, 402 – March 1, 405 ; Yixi (義熙 yì xī) March 2, 405 – 419 
Title: Emperor An of Han
Content:  Emperor An of Han (94 &ndash; 30 April 125) was an emperor of the Chinese Han Dynasty and the sixth emperor of the Eastern Han, ruling from 106 to 125. He was the grandson of Emperor Zhang. When her infant stepson Emperor Shang succeeded to the throne in 106, Empress Dowager Deng kept the then-12-year-old Crown Prince Liu Hu in the capital Luoyang as insurance against the infant emperor's death and the successor to the throne. Prince Hu ascended the throne and became emperor when Emperor Shang died in August or September 106; however, Empress Dowager Deng still remained as the regent until her death in 121. Thereafter, 
Title: 396
Content: Emperor Jìn Ān Dì, age 14, succeeds his father Emperor Xiaowu, as ruler of the Eastern Jin dynasty, after he is murdered by his concubine Honoured Lady Zhang. ; Lü Guang claims the title "Heavenly Prince" (Tian Wang), signifying his claim to the Later Liang Kingdom. 
Title: Tao Yuanming
Content:  Through the history of the times, enough is known of the general state of affairs during Tao's governmental career to indicate why such service during that sorry state of political affairs was so miserable for him: Tao Yuanming served under the two usurpers Huan Xuan and Liu Yu, not to mention the weak and pitiful emperor An. The future emperor An of Eastern Jin (born 382 and personally named Sima Dezong) was a scion of the dynastic ruling family of the Jin empire, the Sima. His father was emperor Xiaowu, who named him crown prince in 387, despite his extreme developmental disabilities 
Title: Emperor Ming of Jin
Content:  Emperor Ming of Jin (299 – 18 October 325), personal name Sima Shao (司馬紹), courtesy name Daoji (道畿), was an emperor of the Eastern Jin Dynasty (266–420). During his brief reign (323–325), he led the weakened Jin out of domination by the warlord Wang Dun, but at his early death, the empire was left to his young son Emperor Cheng, and the fragile balance of power that he created was soon broken, leading to the Su Jun Disturbance and weakening the Jin state even further.
Title: Emperor Jianwen of Jin
Content: Xian'an (咸安 xián ān) 371-372 
Title: Emperor Gong of Jin
Content:  Emperor Gong of Jin (386–421), personal name Sima Dewen, was the last emperor of the Eastern Jin Dynasty (266–420) in China. He became emperor in 419 after his developmentally disabled brother Emperor An was killed by the regent Liu Yu, and during his brief reign, actual power was in Liu Yu's hands. In 420, under pressure from Liu Yu, he yielded the throne to Liu Yu, ending Jin's existence. Liu Yu founded Liu Song, and in 421, believing that the former Jin emperor posed a threat to his rule, had him asphyxiated with a blanket.

Question: Who is the father of Emperor An of Jin?
Answer: Emperor Xiaowu of Jin.
Sima Yao.
Changming.
Xiaowu Di.
Lie Zong.