next of kin

US /ˌnekst əv ˈkɪn/
UK /ˌnekst əv ˈkɪn/
"next of kin" picture
1.

近亲, 直系亲属

a person's closest living relative or relatives

:
Please provide the name and contact information of your next of kin.
请提供您的近亲姓名和联系方式。
In case of emergency, notify the patient's next of kin.
如遇紧急情况,请通知患者的近亲