N.Y. Estates, Powers & Trusts Law § 4-1.4
(a) No distributive share in the estate of a deceased child shall be allowed to a parent if the parent, while such child is under the age of twenty-one years:
(2) has been the subject of a proceeding pursuant to section three hundred eighty-four-b of the social services law which:
(b) Subject to the provisions of subdivision eight of section two hundred thirteen of the civil practice law and rules, the provisions of subparagraph one of paragraph (a) of this section shall not apply to a biological parent who places the child for adoption based upon: