Delaware Code
Subchapter II. Persons 18 Years of Age or Over
§ 954. Effect of adoption.

Upon the issuance of the decree of adoption and forever thereafter, all the duties, rights, privileges and obligations recognized by law between parent and child shall exist between the petitioner or petitioners and the person or persons adopted, as fully and to all intents and purposes as if such person or persons were the lawful and natural offspring or issue of the petitioner or petitioners.