New Jersey Statutes Title 9. Children Juvenile and Domestic Relations Courts 9 § 2-19

If the court shall determine that custody of the child has been surrendered as provided in Article II  1 of P.L.1955, c. 232 (C.9:2-13 et seq.), the court may declare that the person making such surrender shall have no further right to custody of the child. If the court shall determine that a parent of the child is dead, or mentally incapacitated as defined in section 1 of P.L.1955, c. 232 C.9:2-13), or has forsaken parental obligation, the court may declare that such parent shall have no further right to custody of the child. If the court shall determine that a custodian or guardian has been appointed for the child, but that such custodian or guardian has willfully and continuously neglected or failed to discharge the responsibilities of such appointment, the court may declare that such custodian or guardian shall have no further control and authority over the person of the child.