For the purposes of this Chapter “dependants” mean the following relatives of the deceased:—
(i)his or her father;
(ii)his or her mother;
(iii)his widow, so long as she does not re-marry;
(iv)his or her son or the son of his predeceased son or the son of a predeceased son of his pre-deceased son, so long as he is a minor: provided and to the extent that he is unable to obtain maintenance, in the case of a grandson from his father’s or mother’s estate, and in the case of a great-grandson, from the estate of his father or mother or father’s father or father’s mother;
(v)his or her unmarried daughter, or the unmarried daughter of his predeceased son or the unmarried daughter of a predeceased son of his predeceased son, so long as she remains unmarried:provided and to the extent that she is unable to obtain maintenance, in the case of a grand-daughter from her father’s or mother’s estate and in the case of a great-grand-daughter from the estate of her father or mother or father's father or father’s mother;
(vi)his widowed daughter: provided and to the extent that she is unable to obtain maintenance—
(a)from the estate of her husband; or
(b)from her son or daughter if any, or his or her estate; or
(c)from her father-in-law or his father or the estate of either of them;
(vii)any widow of his son or of a son of his predeceased son, so long as she does not re-marry: provided and to the extent that she is unable to obtain maintenance from her husband’s estate, or from her son or daughter, if any, or his or her estate; or in the case of a grandson’s widow, also from her father-in-law’s estate;
(viii)his or her minor illegitimate son, so long as he remains a minor;
(ix)his or her illegitimate daughter, so long as she remains unmarried.