어디에서 누구의 자제로 태어나 어떤 활동을 하였는지, 그 집안 족보에서조차 찾아볼 수 없는 기록이 남아 있다.
There is a record of where he or she was born and what he or she did, and what he or she did, which is not even found in his or her family genealogy.