It looks like this refutes the idea that because the Kung family line has continued uninterrupted since Confucius that all those surnamed Kung "come from this family alone, and no other."
看來過去由於孔氏的家族記載從來沒有中斷過，歷來大家都公認，天下的孔姓「僅此一家，別無分號」，也被打破了。