Definition of Family Dependent

"Dependent" means any of the following relatives of a deceased member, namely:—

(i) a minor legitimate son, and an unmarried legitimate daughter and a widowed mother; or

(ii) if wholly dependent on the earnings of the member at the time of his death, a son or a daughter who has attained the age of eighteen years and who is infirm; or

(iii) if wholly or in part dependent on the earnings of the member at the time of his death,—