《元史·列传·卷六十八》
其祖先大概是拓跋魏的后裔，居住在清河的到明善已是第四世了。
其先盖拓跋魏之裔，居清河者，至明善四世矣。
His ancestors were probably the descendants of Tuoba Wei and they lived in Qinghe. Ming Shan became the fourth generation.
<s>[INST] Provide a modern Chinese interpretation of the following Classical Chinese passage: 其先盖拓跋魏之裔，居清河者，至明善四世矣。 [/INST] 其祖先大概是拓跋魏的后裔，居住在清河的到明善已是第四世了。</s>
Provide a modern Chinese interpretation of the following Classical Chinese passage: 其先盖拓跋魏之裔，居清河者，至明善四世矣。
user
其祖先大概是拓跋魏的后裔，居住在清河的到明善已是第四世了。
assistant