Complex sentence: A specific passage in the Chinese Book of Wei ("Wei Shu") is often cited as definitive proof in identifying the Huns as the Xiongnu, claiming that the Xiongnu conquered the Alans or Sute, 粟特 around the same time as recorded by Western sources.
Split into simpler sentences: A specific passage in the Chinese Book of Wei (Wei-shu) is often cited as definitive proof in the identity of the Huns as the Xiongnu. It appears to say that the Xiongnu conquered the Alans (Su-Te 粟特) around the same time as recorded by Western sources.