Rule 21.15 - CO-PARENT AND SECOND PARENT ADOPTIONS(a) In all matters where two unmarried persons seek to adopt a child who is not related to either person (a co-parent adoption), the petitioners shall comply with the provisions of the Adoption Act and this Rule 21 of the Circuit Court for the Eighteenth Judicial Circuit. In addition, the petitioners, in the petition for adoption, shall provide the court with information about the length, nature, and character of the petitioners' relationship.(b) In matters where a person seeks to adopt the child of another person, and said persons are not married to one another (a second parent adoption), the petitioners shall comply with the provisions of the Adoption Act and this Rule 21 of the Circuit Court for the Eighteenth Judicial Circuit. In addition, the petitioners, in the petition for adoption, shall provide the court with information about the length, nature, and character of the petitioners' relationship.Ill. R. Cir. Ct. Dupage Cnty. 21.15