question: What nationality is Xiahou Wei's father?
context: Title: Xiahou Yuan
  Passage: Xiahou Yuan  (died 219), courtesy name Miaocai, was a military general serving under the warlord Cao Cao in the late Eastern Han dynasty of China. He is known for his exploits in western China (in parts of present-day Gansu, Ningxia and Shaanxi provinces) in the 210s, during which he defeated Cao Cao's rivals Ma Chao and Han Sui in Liang Province and the surrounding areas, and forced several Di and Qiang tribal peoples into submission. He was killed in action at the Battle of Mount Dingjun while defending Hanzhong Commandery from attacks by a rival warlord Liu Bei. Xiahou Yuan's death was highly dramatised in the 14th-century historical novel "Romance of the Three Kingdoms", in which he was slain by Liu Bei's general Huang Zhong during a surprise raid.
  Title: Xiahou Wei
  Passage: Xiahou Wei (third century), courtesy name Jiquan, was an official of the state of Cao Wei during the Three Kingdoms period of China. He was the fourth son of Xiahou Yuan and a maternal great-grandfather of Emperor Yuan of the Eastern Jin dynasty.
answer: Eastern Han Dynasty
citations: Xiahou Yuan Xiahou Wei