1997年，源氏搵返散失多年嘅《源氏大宗族譜》。從中查到「源族受姓始於北魏……」，進一步證實霄鄉源氏係鮮卑後裔。
In 1997, Genji retrieved the long-lost Genealogy of the Genji clan. It was found that "the surname of the Yuan clan began in the ...... of the Northern Wei Dynasty", which further confirmed that the Yuan clan of Xiaoxiang was a descendant of Xianbei.