The following persons, who desire to adopt any person or persons over 18 years of age, shall file a petition in the Family Court of the county in which any of the petitioner(s) or the person(s) to be adopted resides:

(1) Any person petitioning individually;

(2) A married couple petitioning jointly; or

(3) A nonmarried couple petitioning jointly, provided that they are cohabiting, as that term is defined in § 1512(g) of this title.

27 Del. Laws, c. 263, §§ ?1-3; Code 1915, § ?3067; Code 1935, § ?3553; 13 Del. C. 1953, § ?951; 57 Del. Laws, c. 402, § ?2; 59 Del. Laws, c. 466, § ?12; 62 Del. Laws, c. 402, § ?1; 82 Del. Laws, c. 171, § 2;