King Xiao of Zhou or King Hsiao of Chou was the eighth sovereign of the Chinese Zhou Dynasty. Estimated dates of his reign are 891–886 BC or 872–866 BC (Cambridge History of Ancient China).
His reign is poorly documented. He was preceded on the throne by his nephew King Yi of Zhou (Ji Jian)

King Yi of Zhou (Ji Jian)

King Yi of Zhou or King I of Chou was the seventh sovereign of the Chinese Zhou Dynasty. Estimated dates of his reign are 899–892 BC or 899–873 BC ....

 and followed by his nephew's son, King Yi of Zhou (Ji Xie)

King Yi of Zhou (Ji Xie)

King Yi of Zhou or King I of Chou was the ninth sovereign of the Chinese Zhou Dynasty. Estimated dates of his reign are 885–878 BC or 865–858 BC....

. Sima Qian

Sima Qian

Sima Qian was a Prefect of the Grand Scribes of the Han Dynasty. He is regarded as the father of Chinese historiography for his highly praised work, Records of the Grand Historian , a "Jizhuanti"-style general history of China, covering more than two thousand years from the Yellow Emperor to...

 says that the second Yi was 'restored by the many lords'. This hints at a usurpation, but the matter is not clear.

Personal information

Family name	Ji Ji (surname) 姬=Ji is the family name of the family in control of the Zhou Dynasty , which followed the Shang Dynasty and preceded the Qin Dynasty in China.Thirty-nine members of the family ruled over China during this period.Ji has...  (姬 jī) in Chinese Chinese language The Chinese language is a language or language family consisting of varieties which are mutually intelligible to varying degrees. Originally the indigenous languages spoken by the Han Chinese in China, it forms one of the branches of Sino-Tibetan family of languages...
Given name Chinese name Personal names in Chinese culture follow a number of conventions different from those of personal names in Western cultures. Most noticeably, a Chinese name is written with the family name first and the given name next, therefore "John-Paul Smith" as a Chinese name would be "Smith John-Paul"...	Pifang (辟方 pì fāng) in Chinese Chinese language The Chinese language is a language or language family consisting of varieties which are mutually intelligible to varying degrees. Originally the indigenous languages spoken by the Han Chinese in China, it forms one of the branches of Sino-Tibetan family of languages...
Era name	none
Father	King Mo of Zhou
Mother	unknown
Wife	unknown
Children	unknown
Approximate duration of reign	891–886 BC
Tomb	unknown
Temple name Temple name Temple names are commonly used when naming most Chinese, Korean , and Vietnamese royalty. They should not be confused with era names. Compared to posthumous names, the use of temple names is more exclusive...	unknown
Courtesy name	unknown
Posthumous name Posthumous name A posthumous name is an honorary name given to royalty, nobles, and sometimes others, in East Asia after the person's death, and is used almost exclusively instead of one's personal name or other official titles during his life...	Xiao 孝 (pinyin Pinyin Pinyin is the official system to transcribe Chinese characters into the Roman alphabet in China, Malaysia, Singapore and Taiwan. It is also often used to teach Mandarin Chinese and spell Chinese names in foreign publications and used as an input method to enter Chinese characters into...  xìao), literary meaning: "filial"