13. On or after 16 November 1974, a person is entitled to be enrolled as a beneficiary under the Agreement and entitled to benefit therefrom, if he is:(a) a person who is a legitimate or illegitimate descendant in the male or female line of a person entitled to be enrolled pursuant to section 12 or 14;
(b) the adopted child of a person described in section 12 or paragraph a provided such child is a minor at the time of the adoption;
(c) the lawful spouse of a person described in section 12, in paragraphs a or b of this section, or in section 14.