kin
noun [ plural ] uk/kɪn/ us/kɪn/
old-fashioned家属，亲属，亲戚
family and relations
next of kin formal 直系亲属;最近的亲属
your closest relation or relations
We can't release his name until we have informed his next of kin. 在通知他的直系亲属前，我们不能透露他的名字。
We will need a signature from her next of kin.
Former workers and their next of kin are seeking compensation from the company.
Who does he have listed as his next of kin?
The airline is working on notifying the next of kin of all the passengers on the doomed flight.