《隋书·列传·卷二十一》
卢恺，字长仁，涿郡范阳人。
卢恺，字长仁，涿郡范阳人也。
Lu Kai, whose other name was Changren, was from Fan Yang in Zhuo Jun.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 卢恺，字长仁，涿郡范阳人也。 [/INST] Lu Kai, whose other name was Changren, was from Fan Yang in Zhuo Jun.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 卢恺，字长仁，涿郡范阳人也。
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Lu Kai, whose other name was Changren, was from Fan Yang in Zhuo Jun.
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