《史记·三十世家·韩世家》
韩国的祖先和周天子同姓，姓姬氏。
韩之先与周同姓，姓姬氏。
The ancestors of the state of Han had the same surname as the Zhou Emperor, the surname Ji.
<s>[INST] Convert the following modern Chinese text into Classical Chinese: 韩国的祖先和周天子同姓，姓姬氏。 [/INST] 韩之先与周同姓，姓姬氏。</s>
Convert the following modern Chinese text into Classical Chinese: 韩国的祖先和周天子同姓，姓姬氏。
user
韩之先与周同姓，姓姬氏。
assistant