A New Jersey Next of Kin Affidavit and Declaration is a legal document used to identify a person’s closest living relative in the event of their death. The affidavit and declaration are used to identify the decedent’s next of kin, including their spouse, children, parents, and siblings. The affidavit and declaration must be signed by two witnesses in the presence of a Notary Public. There are two types of New Jersey Next of Kin Affidavit and Declaration: the Affidavit of Next of Kin and the Declaration of Next of Kin. The Affidavit of Next of Kin is used to identify the decedent’s closest living relative, including their spouse, children, parents, and siblings. The Declaration of Next of Kin is used to identify the decedent’s closest living relative in the event of an intestate estate, where no will is present. Both documents must be signed by two witnesses in the presence of a Notary Public in order to be legally binding.