Civil Service Personnel Rules Rule 268

268. If the deceased service personnel did not leave a wife or husband or children, the extraordinary family pension which isentitled to enjoy by for such service personnel:
(a) may be granted to his mother or father individually or jointly. Such award shall not exceed the rate under the stipulations which is entitled to enjoy contained inTable (8);
(b) may be granted, if failing the parents, to minor brothers and sisters who had been residing with and largely dependent on the deceased. The pension may be granted to them individually or collectively. The total amount of the extraordinary family pension granted shall not exceed the half of the extraordinary family pension which is entitled to enjoy by the wife or husband of the service personnel prescribed rule 265. Each share of extraordinary family pension distributed among the brothers and sisters shall not exceed the rate which is entitled to enjoy by a child who has a mother contained in Table (9).